A hands-off space for graffiti artists to hone and display their skills.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The world's largest collection of ship figureheads includes figures from legends and history alike, from Sir Lancelot to Abraham Lincoln.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

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

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

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

This 500-meter-long memorial pays tribute to the hundreds of thousands of lives lost to COVID-19 in the UK.

A network of bells in the pubs and restaurants around Westminster alerts politicians when it's time to cast their votes.

The largest of London's subterranean rivers and once a mad, bad center of London life.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

"I did this all while you were watching TV."

The railroad turning train travel into a cinematic, highly immersive experience has a fascinating connection to Game of Thrones.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Out of a desire to feed hungry soldiers, a franchise-altering idea was born.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

The entire history of the U.S. Space Shuttle Program is painted on an enormous roadside water tank.

The celebrated eyesore created by starry-eyed sweethearts.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.