Every autumn, this hillside is ablaze with red summer cypress.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

The second oldest continuously operating bar in Louisiana.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

A 200-year-old prison that now houses a peculiar crime museum.

A fantastic castle rumored to be the birthplace of King Arthur.

The world's largest collection of witchcraft regalia.

An abandoned castle owned and ignored by Masons carries a cursed history.

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

The intriguing personal collection of a professional demon-chaser.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

A cliff-hanging restaurant.

A tunnel dug through the side of a mountain by hand provides convenient yet death-defying access to a small village in China.

Known for the tunnel that leads visitors to the water.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The fairy tale castle of the "fairy-tale king."

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

This shop for all your super spy needs hides an educational secret.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

Secret Swing.