Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

Abandoned silver mine strewn with wrecked and twisted structures.

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

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This little museum in the town where zombies were born celebrates the living dead.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

Ship skeletons haunt Baltimore's waterways.

A hidden alley in urban Baltimore is a haven for graffiti artists.

This abandoned mine and power plant was built atop land once given to Revolutionary War soldiers.

Two gems of Beaux Arts architecture that have been sitting vacant for years.

The isolated final resting place for perished coal miners.

This abandoned train tunnel has been the subject of countless ghost stories for years.

The remains of one of the last mining camps developed on the New River.

A monument marks the location of the first successful steamboat demonstration.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

Two insane asylum bodies embalmed by an amateur.