A sculpture for the sun and stars, created by Nancy Holt.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Only a few signs remain of the buried Colorado mining town that supplied the uranium for the first atomic bomb.

This nearly abandoned town was once a thriving mining community until a series of fires.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

A lush oasis full of vibrant plants and striking geometric displays.

Perhaps the most spectacular grotto along the Algarve coastline.

A majestic hotel for dreamers rises from the center of a fairytale wood.

A submerged village appears when dam levels drop.

For this chef, an active volcano is his oven.

The only residents of this abandoned housing development full of identical castles are stray cats and dogs.

At this ancient settlement at the foot of Mount Babadağ, honeycomb tombs are carved into a round cliff.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

An enormous park-like oasis, full of famous Chicagoans' graves.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Abandoned anti-ballistic missile base.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

The liveliest ghost town in the state.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.