A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

The oldest operating pharmacy in the world features 800-year-old recipes.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

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

This home is decked out like a psychedelic explosion of colors and bowling balls.

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

The intriguing personal collection of a professional demon-chaser.

The longest hedge maze in the world.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

This coffee shop lies hidden beneath a historic church.

Sister store to the Echo Park Time Travel Store.

A beautiful but toxic fountain of mercury.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

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

This free, take-a-book shop seems like a trick but isn't.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Bioluminescent firefly squid light up this Japanese fishing port.