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

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

This 16th-century house tells the city's history through old artifacts and quirky tales.

Protecting the dead from opportunistic body snatchers.

The most loyal of little dogs, or a Victorian era publicity stunt?

360° views of the city plus five floors of optical illusions and hands-on science.

The colorful stairs are made with marble from the world's major quarries.

It's a mystery why these remains were found with no traces of their bodies in sight.

A Roman spa buried deep beneath the City of London.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

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

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This demon atop the Notre-Dame de Paris looks utterly bored.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This early version of the guillotine was used to execute the man responsible for its construction.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

This small museum in a 17th-century building honors three iconic Scottish writers.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.