A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

This abandoned factory on the Hudson River once churned out a million bricks a week.

On a dusty county road sit the ruins of a ghost town's abandoned church.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

A derelict bit of transportation infrastructure hidden in the woods.

During WWII the U.S. Navy conducted primitive drone strikes on this Lake Michigan lighthouse.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

This jail once controlled by the Japanese military now sits abandoned on a remote Pacific island.

An overgrown garden stands as a grim marker of an unrealized dream.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

These abandoned grain silos and tunnels are an urban exploration dream.

The ruined remains of a coal mining ghost town are hidden within the woods.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.

An enormous overgrown greenhouse teeming with graffiti and wildlife.

This remote fort on the Yukon River is a vestige of the wild Alaska gold rush.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.