A building so large that it has its own weather.

The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

An ancient Viking village in North America that predates Columbus by 500 years.

Two thousand artifacts from around the world collected by one woman who loved to travel.

You can spend the night in Dr. Frank-N-Furter's castle.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

A memorial to the beloved brown bear that served in the Polish army during World War II.

Eerily lifelike effigies stare at everyone who enters this sanctuary.

Hundreds of huge, centuries-old horseshoes adorn the walls of this nontraditional 12th-century castle.

An unusual vending machine designed to support mourners during funeral ceremonies at Zurich's largest cemetery.

The oldest of the three remaining bridges in England with buildings on top of them.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

Stockholm's last remaining paternoster elevator.

Inside the unassuming cemetery chapel is a magnificent stained glass window and mosaics.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

These ornate arches show how the course of the River Thames has changed.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.