Two stone columns flank the grand Venice square, but there were supposed to be three.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A toxic ghost town sitting atop a massive coal fire.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Oldest unrestored plantation house in America that is open to the public.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The site of a tragic massacre that spawned a multimedia franchise.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

This 19th century granite fortification is one of the most well preserved forts in New England.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The house and graveyard used in the Stephen King spine-chiller.

The eccentric mansion of one of the most popular horror authors of modern times.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

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

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.