Who knew the Devil's domain was a hot spot for tubing?

One of only two commuter aerial tramways in the United States.

A crumbling hospital from the 1850s on Roosevelt Island.

An underground magnet for ever-changing street art.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

An enormous overgrown greenhouse teeming with graffiti and wildlife.

Once a black market electronics marketplace, now an otaku shopper's paradise.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

Historic Hull Street was actually the first street with a proper name in the Boston area.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Over 50 whirling pools left behind from the glacial age.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Ruins of a historic medical facility sits eerily by the water.

A wunderkammer hidden on the top floor of the Hartford statehouse.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

An abandoned gun-funded 19th century utopia.

An abandoned Depression-era zoo hidden just off the highway.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.