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

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A six-ton wedding present for the King of the Scots.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

The 10,000 Torii shrine.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Cold war icon and onetime "hole" in the iron curtain.

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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Scattered throughout London are ancient remnants of the city's former bounding wall.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Hear the quietest sound from across the dome.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Go inside to really appreciate this 500-year-old technological masterpiece.

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

The fairy tale castle of the "fairy-tale king."