A bigger-than-life pun that has become a beacon of altruism.

A Masterpiece with a Tragic History.

Museum featuring strange and enchanting toys of the past.

The astonishing collection of an infamous criminologist.

Pilgrimage site for star-crossed lovers.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

A massive work of modern art that appears to be a crop circle in the middle of the desert.

Super-heavy Nazi architectural experiment.

A museum honoring Oklahoma military service, where you can look into Hitler's mirror and see a Mickey Mouse gas mask.

Terrifying derelict military hospital once housed a recuperating Hitler.

Mining town from the late 1890s, once home to Calamity Jane.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

This former insane asylum now holds a pathological anatomy museum.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Reverend Jen's unique museum/living room showcases her troll collection.

Become a prohibition rebel.

This replica of the Greek structure is in the heart of Nashville.

Roadside collection of 65,000 signs.

This lab's maddening silence is good for business but bad for sanity.

Where the lovelorn find a home for their sentimental keepsakes.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Peek through a transparent pyramid and drink in the mountain made of books.

On Japan's Tashirojima Island, cats are king.

Microscopic scenes; some call it novelty, some call it art.