| Nom du Parc | Etat/Ville | Type du Parc |
|---|---|---|
| Baaj Nwaavjo I'tah Kukveni – Ancestral Footprints of the Grand Canyon National Monument | Arizona (St. George, Utah (BLM), Fredonia, Arizona (USFS) et Jacob Lake, Arizona) | National Monument |
| Babler State Park | Missouri (Wildwood) | State Park |
| Backbone State Park | Iowa (Dundee) | State Park |
| Badlands National Park | Dakota du Sud (Wall) | National Park |
| Bahia Honda State Park | Floride (Big Pine Key) | State Park |
| Baker Creek State Park | Caroline du Sud (McCormick) | State Park |
| Bald Eagle State Park | Pennsylvanie (Howard) | State Park |
| Bald Point State Park | Floride (Alligator Point) | State Park |
| Balmorhea State Park | Texas (Toyahvale) | State Park |
| Baltimore-Washington Parkway | Maryland (Washingron D.C. and Baltimore) | Parkway |
| Bandelier National Monument | Nouveau Mexique (Los Alamos au nord et Santa Fe au sud) | National Monument |
| Bannack State Park | Montana (Dillon) | State Park |
| Banner Lakes at Summerset State Park | Iowa (Indianola) | State Park |
| Banning State Park | Minnesota (Sandstone) | State Park |
| Baraga State Park | Michigan (Baraga) | State Park |
| Barkcamp State Park | Ohio (Belmont) | State Park |
| Barnegat Lighthouse State Park | New Jersey (Barnegat Light) | State Park |
| Barnwell State Park | Caroline du Sud (Blackville) | State Park |
| Barr Lake State Park | Colorado (Brighton) | State Park |
| Bash Bish Falls State Park | Massachusetts (Mt. Washington) | State Park |
| Basin and Range National Monument | Nevada (Ely au nord, Caliente à l'est et Alamo au sud) | National Monument |
| Bastrop State Park | Texas (Bastrop) | State Park |
| Bates State Park | Oregon (John Day) | State Park |
| Battle Ground Lake State Park | Washington (Battle Ground) | State Park |
| Battle Island State Park | New York (Fulton) | State Park |
| Battleground National Cemetery | Columbia (district) (Washington) | National Cemetery |
| Baxter State Park | Maine (Sherman) | State Park |
| Bay City State Park | Michigan (Bay City) | State Park |
| Bay View State Park | Washington (Mount Vernon) | State Park |
| Bayard Cutting Arboretum State Park | New York (Great River) | State Park |
| Bayou Segnette State Park | Louisiane (Westwego) | State Park |
| Bayswater Point State Park | New York (Far Rockaway) | State Park |
| Beacon Rock State Park | Washington (Skamania) | State Park |
| Beall Woods State Park | Illinois (Mount Carmel) | State Park |
| Bear Brook State Park | New Hampshire (Allenstown) | State Park |
| Bear Butte State Park | Dakota du Sud (Sturgis) | State Park |
| Bear Creek Lake State Park | Virginie (Cumberland) | State Park |
| Bear Head Lake State Park | Minnesota (Ely) | State Park |
| Bear Lake State Park | Idaho (St Charles) | State Park |
| Bear Lake State Park | Utah (Garden City) | State Park |
| Bear Mountain State Park | New York (Bear Mountain) | State Park |
| Bear River State Park | Wyoming (Evanston) | State Park |
| Bears Ears National Monument | Utah (blanding) | National Monument |
| Beartown State Forest | Massachusetts (Monterey) | State Park |
| Beartown State Par | Virginie-Occidentale (Marlinton) | State Park |
| Beartown State Park | Virginie-Occidentale (Marlinton) | State Park |
| Beaver Brook Falls Wayside | New Hampshire (Colebrook) | State Park |
| Beaver Brook State Park | Connecticut (Windham) | State Park |
| Beaver Creek State Park | Ohio (East Liverpool) | State Park |
| Beaver Creek Valley State Park | Minnesota (Caledonia) | State Park |
| Beaver Dam State Park | Illinois (Plainview) | State Park |
| Beaver Dam State Park | Nevada (Panaca) | State Park |
| Beaver Island State Park | New York (Grand Island) | State Park |
| Beaver Lake State Park | Dakota du Nord (Wishek) | State Park |
| Beaver Pond Campgrounds - Harriman State Park | New York (Stony Point) | State Park |
| Beaverhead Rock State Park | Montana (Dillon) | State Park |
| Beavers Bend State Park | Oklahoma (Broken Bow) | State Park |
| Beavertail Hill State Park | Montana (Missoula) | State Park |
| Beavertail State Park | Rhode Island (Jamestown) | State Park |
| Becket Hill State Park Reserve | Connecticut (Lyme) | State Park |
| Beech Fork State Park | Virginie-Occidentale (Barboursville) | State Park |
| Beed's Lake State Park | Iowa (Hampton) | State Park |
| Belfair State Park | Washington (Belfair) | State Park |
| Belle Isle State Park | Virginie (Lancaster) | State Park |
| Bellevue State Park | Delaware (Wilmington) | State Park |
| Bellevue State Park | Iowa (Bellevue) | State Park |
| Belmont Lake State Park | New York (North Babylon) | State Park |
| Belmont Mound State Park | Wisconsin (Belmont) | State Park |
| Beltzville State Park | Pennsylvanie (Lehighton) | State Park |
| Bendigo State Park | Pennsylvanie (Johnsonburg) | State Park |
| Benjamin Rush State Park | Pennsylvanie (Philadelphia) | State Park |
| Bennett Spring State Park | Missouri (Lebanon) | State Park |
| Bennett's Pond State Park | Connecticut (Ridgefield) | State Park |
| Bent's Old Fort National Historic Site | Colorado (La Junta) | National Historic Site |
| Bentsen-Rio Grande Valley State Park | Texas (Mission) | State Park |
| Bering Land Bridge National Preserve | Alaska (Nome) | National Preserve |
| Berkeley Springs State Park | Virginie-Occidentale (Berkeley Springs) | State Park |
| Berlin–Ichthyosaur State Park | Nevada (Austin) | State Park |
| Bernice Area at Grand Lake State Park | Oklahoma (Bernice) | State Park |
| Berryessa Snow Mountain National Monument | Californie (Clearlake) | National Monument |
| Bethpage State Park | New York (Farmingdale) | State Park |
| Betty and Wilbur Davis State Park | New York (Schenevus) | State Park |
| Bewabic State Park | Michigan (Crystal Falls) | State Park |
| Bicentennial Capitol Mall State Park | Tennessee (Nashville) | State Park |
| Bidwell-Sacramento River State Park | Californie (Chico) | State Park |
| Big Arm State Park | Montana (Bigfork) | State Park |
| Big Basin Redwoods State Park | Californie (San Lorenzo Park) | State Park |
| Big Bay State Park | Wisconsin (Île Madeline) | State Park |
| Big Bend National Park | Texas (Terlingua) | National Park |
| Big Bend Ranch State Park | Texas (Marfa) | State Park |
| Big Creek State Park | Iowa (Polk City) | State Park |
| Big Cypress National Preserve | Floride (Ochopee) | National Preserve |
| Big Cypress Tree state park | Tennessee (Greenfield) | State Park |
| Big Deer State Park | Vermont (Groton) | State Park |
| Big Elk Creek State Park | Pennsylvanie (Landenberg) | State Park |
| Big Foot Beach State Park | Wisconsin (Delavan) | State Park |
| Big Hill Pond State Park | Tennessee (Pocahontas) | State Park |
| Big Hole National Battlefield | Montana (Wisdom) | National Battlefield |
| Big Lagoon State Park | Floride (Pensacola) | State Park |
| Big Lake State Park | Missouri (Craig) | State Park |
| Big Oak Tree State Park | Missouri (East Prairie) | State Park |
| Big Pocono State Park | Pennsylvanie (Tannersville) | State Park |
| Big Ridge State Park | Tennessee (Maynardville) | State Park |
| Big Run State Park | Maryland (Swanton) | State Park |
| Big Shoals State Park | Floride (White Springs) | State Park |
| Big South Fork National River & Recreation Area | Kentucky (Oneida) | National River & Recreation Area |
| Big Spring State Park | Pennsylvanie (Blain) | State Park |
| Big Spring State Park | Texas (Big Spring) | State Park |
| Big Stone Lake State Park | Minnesota (Ortonville) | State Park |
| Big Sugar Creek State Park | Missouri (Pineville) | State Park |
| Big Talbot Island State Park | Floride (Jacksonville) | State Park |
| Big Thicket National Preserve | Texas (Beaumont) | National Preserve |
| Bigelow Hollow State Park | Connecticut (Union) | State Park |
| Bighorn Canyon National Recreation Area | Montana (Fort Smith) | National Recreation Area |
| Bill Baggs Cape Florida State Park | Floride (Key Biscayne) | State Park |
| Bill Burton Fishing Pier State Park | Maryland (Dorchester) | State Park |
| Birch Bay State Park | Washington (Blaine) | State Park |
| Birch Point State Park | Maine (Rockland) | State Park |
| Birmingham Civil Rights National Monument | Alabama (Birmingham) | National Monument |
| Biscayne National Park | Floride (Miami) | National Park |
| Black Canyon Of The Gunnison National Park | Colorado (Montrose) | National Park |
| Black Hawk State Park | Iowa (Lake View) | State Park |
| Black Mesa State Park | Oklahoma (Kenton) | State Park |
| Black Moshannon State Park | Pennsylvanie (Philipsburg) | State Park |
| Black Rock Mountain State Park | Georgie (Mountain City) | State Park |
| Black Rock State Park | Connecticut (Watertown) | State Park |
| Black Sandy State Park | Montana (Helena) | State Park |
| Blackstone River and Canal Heritage State Park | Massachusetts (Uxbridge) | State Park |
| Blackstone River Valley National Heritage Corrido | Massachusetts (The Blackstone Valley) | National Heritage Corridor |
| Blackwater River State Park | Floride (Milton) | State Park |
| Bladon Springs State Park | Alabama (Coffeeville) | State Park |
| Blake Island Marine State Park | Washington (Manchester) | State Park |
| Blanco State Park | Texas (Blanco) | State Park |
| Blauvelt State Park | New York (Blauvelt) | State Park |
| Bledsoe Creek State Park | Tennessee (Gallatin) | State Park |
| Blennerhassett Island Historical State Park | Virginie-Occidentale (Parkersburg) | State Park |
| Blind Island Marine State Park | Washington (Eastsound) | State Park |
| Blue Knob State Park | Pennsylvanie (Imler) | State Park |
| Blue Mound State Park | Wisconsin (Blue Mounds) | State Park |
| Blue Mounds State Park | Minnesota (Luverne) | State Park |
| Blue Ridge Parkway | Virginie (Blue Ridge Mountains en Virginie et Caroline du nord) | Parkway |
| Blue Rock State Park | Ohio (Blue Rock) | State Park |
| Blue Spring State Park | Floride (Orange City) | State Park |
| Blue Springs State Park | Alabama (Blue Springs) | State Park |
| Bluestone National Scenic River | Virginie-Occidentale (Athens, Pipestem et Hinton) | National Scenic River |
| Bluestone State Park | Virginie-Occidentale (Hinton) | State Park |
| Bluewater Lake State Park | Nouveau Mexique (Prewitt) | State Park |
| Bluff Point State Park | Connecticut (Groton) | State Park |
| Bob Straub State Park | Oregon (Tillamook) | State Park |
| Bogachiel State Park | Washington (Forks) | State Park |
| Bogue Chitto State Park | Louisiane (Franklinton) | State Park |
| Bohemia River State Park | Maryland (Chesapeake) | State Park |
| Boiling Springs State Park | Oklahoma (Woodward) | State Park |
| Bolton Notch State Park | Connecticut (Bolton) | State Park |
| Bomoseen State Park | Vermont (Castleton) | State Park |
| Bonavista State Park | New York (Ovid) | State Park |
| Bonham State Park | Texas (Bonham) | State Park |
| Booker T Washington National Monument | Virginie (Hardy) | National Monument |
| Booker T. Washington State Park | Tennessee (Chattanooga) | State Park |
| Border Field State Park | Californie (San Diego) | State Park |
| Borderland State Park | Massachusetts (North Easton) | State Park |
| Boston African American National Historic Site | Massachusetts (Boston) | National Historic Site |
| Boston Harbor Islands National Recreation Area | Massachusetts (Boston) | National Recreation Area |
| Boston Harbor Islands State Park | Massachusetts (Boston) | State Park |
| Boston National Historical Park | Massachusetts (Boston) | National Historical Park |
| Bothe-Napa Valley State Park | Californie (Calistoga) | State Park |
| Bottle Beach State Park | Washington (Aberdeen) | State Park |
| Bottomless Lakes | Nouveau Mexique (Roswell) | State Park |
| Boulder Beach State Park | Vermont (Groton) | State Park |
| Bowman Lake State Park | New York (Oxford) | State Park |
| Boyd Lake State Park | Colorado (Fort Collins) | State Park |
| Boysen State Park | Wyoming (Shoshoni) | State Park |
| Bradbury Mountain State Park | Maine (Pownal) | State Park |
| Bradley Palmer State Park | Massachusetts (Topsfield) | State Park |
| Brainard Homestead State Park | Connecticut (East Haddam) | State Park |
| Branbury State Park | Vermont (Salisbury) | State Park |
| Brandywine Creek State Park | Delaware (Wilmington) | State Park |
| Brantley Lake State Park | Nouveau Mexique (Carlsbad) | State Park |
| Brazos Bend State Park | Texas (Needville) | State Park |
| Brenton Point State Park | Rhode Island (Newport) | State Park |
| Brentwood State Park | New York (Brentwood) | State Park |
| Brian Booth – Beaver Creek State Park | Oregon (Newport) | State Park |
| Brian Booth State Park | Oregon (Newport) | State Park |
| Brices Cross Roads National Battlefield Site | Mississippi (Baldwyn) | National Battlefield Site |
| Bridgeport State Park | Washington (Bridgeport) | State Park |
| Bridle Trails State Park | Washington (Kirkland) | State Park |
| Brighton State Park | Vermont (Island Pond) | State Park |
| Brimley State Park | Michigan (Brimley) | State Park |
| Brookhaven State Park | New York (Ridge) | State Park |
| Brooks Memorial State Park | Washington (Goldendale) | State Park |
| Brown County State Park | Indiana (Nashville) | State Park |
| Brown V Board Of Education National Historic Site | Kansas (Topeka) | National Historic Site |
| Browns Canyon National Monument | Colorado (Buena Vista) | National Monument |
| Bruneau Dunes State Park | Idaho (Bruneau) | State Park |
| Brunet Island State Park | Wisconsin (Cornell) | State Park |
| Brush Lake State Park | Montana (Glasgow) | State Park |
| Bryant Creek State Park | Missouri (Ava) | State Park |
| Bryce Canyon National Park | Utah (Bryce Canyon City) | National Park |
| Buccaneer State Park | Mississippi (Waveland) | State Park |
| Buchanan’s Birthplace State Park | Pennsylvanie (Mercersburg) | State Park |
| Buck Creek State Park | Ohio (Springfield) | State Park |
| Buck Island Reef National Monument | American Samoa (Christiansted) | National Monument |
| Buckeye Lake State Park | Ohio (Millersport) | State Park |
| Buckhorn Island State Park | New York (Grand Island) | State Park |
| Buckhorn State Park | Wisconsin (Necedah) | State Park |
| Bucks Pocket State Park | Alabama (Grove Oak) | State Park |
| Buckskin Mountain State Park | Arizona (Parker Strip) | State Park |
| Buescher State Park | Texas (Smithville) | State Park |
| Buffalo Bill State Park | Wyoming (Cody) | State Park |
| Buffalo Harbor State Park | New York (Buffalo) | State Park |
| Buffalo National River | Arkansas (Harrison and St. Joe) | National River |
| Buffalo River State Park | Minnesota (Glyndon) | State Park |
| Bull Shoals-White River State Park | Arkansas (Bull Shoals) | State Park |
| Bullards Beach State Park | Oregon (Coos Bay) | State Park |
| Bulow Creek State Park | Floride (Ormond Beach) | State Park |
| Bulow Plantation Ruins Historic State Park | Floride (Flagler Beach) | State Park |
| Burgess Falls State Park | Tennessee (Sparta) | State Park |
| Burlingame State Park | Rhode Island (Charlestown) | State Park |
| Burnham Point State Park | New York (Cape Vincent) | State Park |
| Burr Oak State Park | Ohio (Glouster) | State Park |
| Burr Pond State Park | Connecticut (Torrington) | State Park |
| Burt Lake State Park | Michigan (Indian River) | State Park |
| Burton Creek State Park | Californie (Dollar Point) | State Park |
| Burton Island State Park | Vermont (St. Albans) | State Park |
| Butano State Park | Californie (San José) | State Park |
| Buttermilk Falls State Park | New York (Ithaca) | State Park |
| Button Bay State Park | Vermont (Ferrisburgh) | State Park |
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