Les parcs nationaux américains

Prototype de scaffolding : 3 silos complets peuplés du contenu maillé par STEP-4.

Les parcs du prototype

Acadia ME American Samoa AS Arches UT Badlands SD Big Bend TX Biscayne FL Bryce Canyon UT Black Canyon Of The Gunnison CO Canyonlands UT Capitol Reef UT Carlsbad Caverns NM Channel Islands CA Congaree SC Crater Lake OR Cuyahoga Valley OH Denali AK Dry Tortugas FL Everglades FL Gates Of The Arctic AK Gateway Arch MO Glacier MT Glacier Bay AK Grand Teton WY Grand Canyon AZ Great Basin NV Great Sand Dunes CO Great Smoky Mountains NC,TN Guadalupe Mountains TX Haleakalā HI Hawaiʻi Volcanoes HI Hot Springs AR Indiana Dunes IN Joshua Tree CA Isle Royale MI Katmai AK Kenai Fjords AK Kobuk Valley AK Lake Clark AK Lassen Volcanic CA Mammoth Cave KY Mesa Verde CO Mount Rainier WA New River Gorge WV North Cascades WA Olympic WA Pinnacles CA Petrified Forest AZ Rocky Mountain CO Redwood CA Saguaro AZ Sequoia & Kings Canyon CA Shenandoah VA Theodore Roosevelt ND Virgin Islands VI Voyageurs MN White Sands NM Wind Cave SD Wrangell - St Elias AK Yellowstone ID,MT,WY Yosemite CA Zion UT Death Valley CA,NV