This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

Stairs often replace streets on the steep slopes of this old mining town.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

The world's largest military aircraft cemetery.

Site of the greatest known waterfall that ever existed.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Rippling sand dunes frozen in the Arizona rock.

Dramatic river bend surrounds a natural red-rocked pedestal.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Native Americans built this circle of stones, which was used to predict astronomical events.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

An effigy of Vancouver's Gastown neighorhood's namesake.

North America's first Indigenous-owned winery is located within Canada's only desert-like ecosystem.