The "Rocky Horror Picture Show" character has a hidden camera that broadcasts people doing the "Time Warp."

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

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

A moving memorial to the fallen and missing from WWI trenches.

Famously misunderstood wonder of the ancient world

The oldest working mechanical clock in the world.

Giant naked man on a hillside.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

Recently restored menagerie of Victorian-era beasts.

Stroll through Welsh history in a village of reconstructed structures.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

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

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

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

Pop culture has helped to keep this iconic British building from being destroyed.

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

This South London cemetery holds the remains of more than 15,000 people.

Rebuilt remains of a temple to Roman god Mithras.

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

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

A Maori village obliterated by an 1886 volcanic eruption.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Deadly scalding and one of the largest hot springs in the world.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.