The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Traditional 11th-century outdoor tannery.

Founded as a refugee camp, now a popular tourist spot.

The once highest point in China blends symbolic design with a kick of adrenaline.

Snow-capped peaks, colorful waterfalls and stunning vistas on the edge of the Himalayas.

This psychedelic tourist trap is a leisurely descent into madness.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Intensely colorful calcite pools in Southern China.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Old Danish castle immortalized in Shakespeare's Hamlet.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

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

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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

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

A former waterfront market is now in the center of town due to some interesting Boston engineering.