The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

The largest portal tomb in Europe has a capstone weighing around 150 tons.

An unexpectedly extraterrestrial room in a former Victorian resort club.

Once a black market electronics marketplace, now an otaku shopper's paradise.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

A Christian retreat founded to welcome refugees fleeing from the Nazis during World War II.

Eyam took steps to quarantine themselves and keep the plague from spreading.

These 18th century gardens tell a rocky story of the son of Odysseus.

A meteorite-bounded town in Bavaria.

A strange rock formation with numerous legends trying to explain it.

The farm toy capital of the world hosts a museum filled with toy tractors dating back to the late 1800s.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

A tomb in the shape of a traditional Mexican hat and shawl for the father of modern rancheras.

Look closely and you’ll notice that the color changes a third of the way up the tower.

This beautiful ridge-top trail is dotted by tiny homes apparently built by a group of itinerant fairies.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

A small part of Russia that does not touch any other part of Russia.

An architect transformed this abandoned cement factory into his castle-like workshop.