The headquarters in Salem doubles as an occult art gallery.

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

These subterranean models show Mexico City's central square during three different eras.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

The monster at the center of the Darwin Center Spirit Collection.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

A chance to sleep among the firs and pines of the Oregon forest.

Ask nicely, and stewards of a centuries-old charitable tradition will give you free bread and beer.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

Famously misunderstood wonder of the ancient world

The world’s largest underwater sculpture is found just off the coast of Nassau.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

It's not a typo, now say it five times fast!

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Every year locals tumble 650 feet down to the bottom of the hill chasing a Double Gloucester cheese.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

Stand at the center of this lakefront sundial, and you'll become part of the timepiece.

Large Hadron Collider and the Birthplace of World Wide Web.