A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Before serving as James Bond's Casino Royale, this Victorian-era spa catered to the world's elite.

An enormous and lavish Gothic church in Czechia.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Europe's second largest ossuary wasn't discovered until 2001.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This doorless 20th-century elevator doesn't stop or slow down.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

This strange statue features a bust of the famous composer plopped atop a woman's body.

This museum is dedicated to the little known ancient Roman history of Vienna.

It houses the remains of a 17th-century version of the Titanic.

Eighty million natural history specimens call this gargantuan museum home.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The solemn exterior conceals an opulent interior of this 17th century church.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Baroque celebration of the end of the Great Plague of Vienna.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

Public water fountains built during the Ottoman Era still stand throughout this seaside town.

Legend says this sacred tree was a gift from goddess Athena.

This striking sculpture of Icarus honors Greece's fallen flyers.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

A two thousand year old brothel uncovered in Northern Greece.