Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Medicinal spa created with the discharge from a geothermal energy plant.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The celebrated eyesore created by starry-eyed sweethearts.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

Paris' linguistic guide to the international language of, yes, love.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

In which a local geological marvel becomes a quaint roadside attraction.

Mysterious rocks that ring musically when struck.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

An Irish Memorial commemorating those who perished due to potato blight.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

In the early 1800s, surgery was also a show.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

The first American department store, and home to the largest operating musical instrument in the world.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A daily replay of the experiment that proved the rotation of the Earth.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

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