At almost 1,000 years old, this is the oldest known door in all of Britain.

The only airport with a people mover system designed by Walt Disney Imagineering.

This plaque commemorates the call between Alexander Graham Bell and Thomas A. Watson.

These items are all that remain from the room used by the author during his second tour of the U.S.

The highest pedestrian bridge in Singapore looks like a series of undulating waves rising between two public parks.

This Singaporean food-court stall was home to the world's cheapest Michelin-starred meal.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

The single richest source of elemental discoveries in the world.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

The last permanent exhibit dedicated to the Soviet leader.

The church's remarkable frescoes incorporate Finnish artist Hugh Simberg's trademark themes of death and the supernatural.

The first designer power line in Estonia.

This last stalwart of the now-forgotten feminist restaurant movement has been serving food in an activist atmosphere since 1977.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

Described as one of the Baltic region’s most daring and original construction projects.

Eat a Nobel banquet from any year in the basement of Stockholm's City Hall.

A wooden replica of France's famous tower.

This rare, carefully curated collection showcases the history of neon inside a grandiose Elks lodge.

The world's biggest version of the popular Swedish souvenir.

This attraction was abandoned after the Chernobyl disaster.

This exquisite, alienesque piece of Soviet architecture is being threatened by modern shopping malls.

The deepest metro station in the world.

340-foot statue built to honour the Heroes of the Soviet Union.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.