Managed by the NPS:
National Parks
Acadia, ME
Arches, UT
Big Bend, TX
Black Canyon of the Gunnison, CO
Bryce Canyon, UT
Canyonlands, UT
Capitol Reef, UT
Carlsbad Caverns, NM
Crater Lake, OR
Denali, AK
Everglades, FL
Glacier, MT
Glacier Bay, AK
Grand Canyon, AZ
Grand Teton, WY
Great Basin, NV
Great Sand Dunes, CO
Great Smoky Mountains, TN and NC
Guadalupe Mountains, TX
Hot Springs, AR
Kenai Fjords, AK
Kings Canyon, CA
Lassen Volcanic, CA
Mammoth Cave, KY
Mesa Verde, CO
Olympic, WA
Petrified Forest, AZ
Redwood, CA
Rocky Mountain, CO
Saguaro, AZ
Sequoia, CA
Shenandoah, VA
Wind Cave, SD
Wrangell-St. Elias, AK
Yellowstone, WY, MT, and ID
Yosemite, CA
Zion, UT
National Monuments
Cedar Breaks, UT
Colorado, CO
Craters of the Moon, ID
Devils Tower, WY
Dinosaur, CO and UT
Effigy Mounds, lA
Fort Pulaski National Monument, GA
Fort Sumter, SC
Hovenweep, UT
Jewel Cave, SD
John Day Fossil Beds, OR
Lava Beds, CA
Natural Bridges, UT
Oregon Caves, OR
Sunset Crater Volcano, AZ
Timpanogos Cave, UT
Walnut Canyon, AZ
Wupatki, AZ
Yucca House, CO
Others
Big Thicket National Preserve, TX
Blue Ridge Parkway, NC
Boston National Historical Park, MA
Buffalo National River
Cape Cod National Seashore, MA
Curecanti NRA, CO
Delaware Water Gap National Recreation Area, PA
Fort Vancouver National Historic Site, WA
Gettysburg National Military Park, PA
Glen Canyon National Recreation Area, AZ
Golden Spike National Historic Site, UT
Independence National Historical Park, PA
John D. Rockefeller Jr. Memorial Parkway, WY
Kilauea Point National Wildlife Refuge, HI
Klondike Gold Rush National Historical Park, AK and WA (both sites, including hiking the Chilkoot Trail into Canada)
Lewis and Clark NHP, OR
Lincoln Home National Historic Site, IL
Mount Rushmore National Memorial, SD
National Capital Park, DC
National Mall, DC
Padre Island National Seashore, TX
Pea Ridge NMP, AR
San Antonio Missions National Historical Park, TX
San Juan Island NHP, WA
Ken & Allison
2 Camping Cats (1 diabetic)
1996 4Runner, TRD Supercharger, Edelbrock headers
2007 Fleetwood Arcadia, Honda EU2000i
4 mountain bikes, 1 canoe, 4 tents, 8 sleeping bags, 2 backpacks
(You get the idea!)