Ecosystems

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

A sulfuric martian landscape that looks far better than it smells.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

View the California coastline (and the home of Barbara Streisand) inch by inch with stunning, government-sanctioned aerial photography.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

A stealthy Apache hideaway that became the haunting site of a mass grave.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

The abandoned personal amusement park of the King of Pop.

This temple, built by an eccentric religious leader before his death, sits guarded and in ruins.

Formerly abandoned underground complex to keep royals safe from a nuclear war that never came.

The center of the only hemisphere that awards visitors with a commemorative coin.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

Remote, volcanic island that Darwin, Hooker, and the Royal Navy shaped into a thriving, artificial ecosystem.