An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

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

Remnants of a storybook amusement park hidden behind a strip mall.

A museum dedicated to exhibiting remarkable outsider art.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This abandoned sea fort has become an accidental bird sanctuary.

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

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

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

One part local history, 99 parts gruesome haunted house.

Eighteen miniature death-scene dioramas.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

Bizarre Cavern.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.