
As the route continues towards the overlook, notice the hoodoos calving from the edge of the mesa, due to scarp retreat. As the softer material that form the escarpment face beneath the caprocks erodes, leaving the harder sandstone on top undermined. The edge collapses, causing the edge to retreat, dropping talus below.
Is there something we missed for this itinerary?
Itineraries across USA

Acadia

Arches National Park

Badlands

Big Bend

Biscayne

Black Canyon Of The Gunnison

Bryce Canyon

Canyonlands

Capitol Reef

Carlsbad Caverns

Channel Islands

Congaree

Crater Lake

Cuyahoga Valley

Death Valley

Dry Tortugas

Everglades

Gateway Arch

Glacier

Grand Canyon

Grand Teton

Great Basin

Great Smoky Mountains

Guadalupe Mountains

Haleakalā

Hawaiʻi Volcanoes

Hot Springs

Indiana Dunes

Isle Royale

Joshua Tree

Kenai Fjords

Kobuk Valley

Lassen Volcanic

Mammoth Cave

Mesa Verde

Mount Rainier

North Cascades

Olympic

Petrified Forest

Pinnacles

Rocky Mountain

Saguaro

Shenandoah

Theodore Roosevelt

Virgin Islands

Voyageurs

White Sands

Wind Cave

Yellowstone

Yosemite

Zion