More than 100 monumental tombs carved into rock are preserved at this ancient Nabataean site in the Arabian Desert.

Site where Moses may have received the Ten Commandments.

Village of slate houses, built on a white marble outcrop.

It's said that visitors can "see" Tasmania inside this cave.

Described by William Wordsworth as a "World of Wonder."

Known as one of America's most beautiful public restrooms.

The name of the only golden Buddhist temple in Korea translates as "the temple that protects the country."

This artificial lake was built to provide water for a planned facility that would treat tuberculosis patients.

Take a stroll through the history of prams, carriages, and other ways we move babies around.

This monastery set over a holy cave contains the oldest known painting of Saint Francis of Assisi.

It took millions of years for these rocks to resemble their mammalian counterparts.

Also known as the Limete Tower, la Tour de l'Échangeur can be seen from almost everywhere in Kinshasa.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

This suburban enclave is home to a very unique art exhibit.

The archeological ruins of the ancient fortified city of the mysterious Teotenanca civilization.

In 1952, a strange encounter in the woods of West Virginia led to the legend of a 10-foot-tall monster with glowing eyes and a distinctive style.

Made from local Irish moss, this pie is served only in Prince Edward Island's potato museum.

Eighteen miniature death-scene dioramas.

These sculptures common among indigenous populations in North America, celebrate Shetland's unique geology.

A Hollywood-sign replica with a typo on a remote hillside.

A pair of black granite tails dive into a sea of grass in landlocked Vermont.

The largest hand-carved, outdoor sculpture collection in the state of Maine.

Is this cat asleep or just pretending?

The world's only above water sand volcano, believed to once be the bathtub of a priest.