A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A historic house left in "dramatic still life."

Eighty million natural history specimens call this gargantuan museum home.

Hear the quietest sound from across the dome.

The curios of pharmacist and collector Henry Wellcome.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

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

A museum devoted to the science of color.

Haunted tuberculosis hospital built by the patients.

The two massive guns that defended Cartagena Bay.

A museum dedicated to the German scientist who revealed the significance of the mysterious Peruvian Nazca Lines.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

Swedish mice can dine at the Nuts of Life restaurant or take a date to the amousement park.

A museum of the dime museum that features weird entertainments of yesteryear, from feejee mermaids to flea circuses.

CDMX's home for the world's culinary delights.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

The world's oldest bookshop still in operation.

A collection of artifacts from Maryland's maritime past.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

An enchanting landscape of ancient sandstone structures eroded into otherworldly shapes.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

One of the most controversial statues in Romania is an emperor with no clothes.