The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

Oddly shaped rock formation, misassociated with a nearby utopian community.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

The fifth-longest natural arch in the world, and the longest outside China.

A house carved into a rock in the 1940s.

One of the last surviving buildings of a once large and thriving Chinatown.

A simple statue outside a California Amtrak station honors the overlooked contributions of the "silent spikes."

The world's first motel is now an administrative building for an apple farm.

This mission, established in 1771, is the most remote of California’s Franciscan missions.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

One of the largest helium balloons in the U.S. is a 112-foot ginormous orange.

A unique shopping and dining park created from old shipping containers and filled with local businesses.

Steel rings embedded in rock enable hikers to ascend a picturesque slot canyon in the Mojave Preserve.

This historic Union Pacific Railroad depot is a stunning symbol of American post-Civil War progress.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

Originally a mission, what may be the oldest building on Maui is now a museum of the island’s history.

One of the most colorful free outdoor attractions in San Diego, this park is filled with murals and ties to history.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.

An ambitious developer built what was once the world's tallest fountain in a Phoenix suburb.

Phoenix man has two yards full of vintage signs and antiques.

This landmark building, from notable Los Angeles architects, is being restored.