This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

One of only two commuter aerial tramways in the United States.

Thousands of turbines whir at at the origin of North American wind power.

The largest earthwork effigy in the world.

Traditional 15th century Chinese garden in the middle of Vancouver.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

An architect's childhood fantasy treehouse made real.

Come for the speed, leave in love with the desert.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

The only surviving prototype for Buckminster Fuller's house of the future.

Lie in a hammock where George Washington stood.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

Wisconsin's most celebrated export gets the royal treatment on I-94.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A Circus legend leaves an unexpected endowment.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.