Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

Neon artworks light up this dark Edinburgh tunnel.

Reputedly based on the tomb of Jesus Christ, this crypt is the oldest surviving structure of any cathedral in England.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

Flying high over the small island of Zákynthos is a giant tribute to the mainland.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

Walk into an underground archeological dig, the site of the Roman Forum that was once the center of Valencia.

Vibrant street art created with mixed media.

This house's itty bitty size means no humans allowed.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

This abandoned viewing platform has become a monument to unnecessary government spending.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

A giant gleaming memorial named for a coal miner who gave his life to the pits.

This 17th-century pub once had a hole in its wall so the neighboring blacksmith could easily access beer.

This beautifully situated lakeside Roman settlement was likely built during the reign of the Emperor Hadrian.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

Semaphore saints, a golden dragon's head, and a stone carved with religious warnings all call this cathedral home.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

A century-old tradition has culminated in a small but singular collection of feline effigies.