An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

A once grand hotel is being retaken by the wilderness it once capitalized on.

This abandoned amusement park was built on a site with a dark history.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

This relatively recently abandoned brewery is a tragic reminder of the continuing effects of Hurricane Katrina.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

This demolished goliath of American industry once loomed over the depressed town it once made thrive.

This failed condo development was reborn as a street art hub.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

An abandoned cyanide mill is now a haunting magnet for graffiti and illegal parties.

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

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

These disused steel furnaces are now haunting ruins that may one day be a national park.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

This Tennessee manse was built so opulent that the very utilities doomed it to fail.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

This empty Detroit high school was too expensive to maintain or destroy.