Two geoglyphs that are truly unique to North America.

An open-air, roadside eatery celebrating a historic indigenous cuisine of complicated significance.

An out of this world experience.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

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

One of the best-preserved ghost towns in Arizona speaks to the difficulties of establishing mining towns in the 19th century American West.

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

This church on a Tohono O'Odham reservation has stood since 1797.

The lobby of this hotel near the U.S.-Mexico border features a stained-glass mural that measures 42 feet long and 6 feet tall.

This historic pink parlor keeps Phoenicians cool with homemade, retro ice creams.

This hidden gem in Arizona is truly worth the rugged journey.

With more than 2,000 pieces, this is world's largest collection of artwork inspired by Leonardo da Vinci's 'The Last Supper.'

This unique art installation used boiler tubes from a decommissioned power plant to resemble Antelope Canyon.

Archaeologists believe this panel of petroglyphs depicting descending sheep and other figures in Glen Canyon are 3,000 to 6,000 years old.

This love letter to Poland serves bracing dill pickle soup and plump pierogis.

The first Protestant church in Arizona and only Gothic Revival style adobe church in the world.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

A mosaic map made of over 100,000 tiles depicts the geological features and sea creatures that live along this San Diego beachside community.

This 75-year-old Shakespearean sculpture is painted by a local artist for every season.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

The "Kill Bill Church" was transformed into a place of worship after a long Hollywood history.

The rest of him lived another 61 years and was buried elsewhere.

Abandoned bridge hidden deep in the San Gabriel Mountains.