One of the only places where Earth’s mantle lies above water.

Named for the DeFoe novel inspired by a stranded sailor, this island is known for its rare plants and extreme beauty.

North America's first frozen mummified remains of an ice age steppe bison, the 36,000 year-old mummy named "Blue Babe."

One woman's dream became a train hotel in her backyard.

An abandoned aircraft sits submerged in a lake in the Alaska wilderness.

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

The king of U.S. high points towers over every other peak on the continent.

America's smallest "national forest" has only 33 trees.

An eclectic trailer park retreat in the middle of the California desert.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

Just outside of Nairobi lies a large estate surrounded by endangered Rothschild giraffes, who have been fed from the window by Mick Jagger and Walter Cronkite.

In the middle of a remote desert town is a surprisingly opulent hotel.

This unassuming oasis elevated just above the busy streets of Jerusalem offers one of the best views of the Old City.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

Unknown to many, this is where items not displayed in a Dutch history of science museum are held.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

An unusual library of dead things at the Rhode Island School of Design.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

One man's grief over the national tragedy has manifested in a pod of homemade whales on his front lawn.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.