This comprehensive collection features Native American artifacts dating back centuries.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

This frequently-photographed waterfall takes only a short hike to visit.

The tallest bridge in California was constructed for a project that was eventually cancelled.

Entering this curiosity shop is like stepping into a mad scientist's lab.

The world's last remaining store of its kind.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The largest outdoor art gallery in the Northwest United States.

This pop-culture shop also offers the chance to become part of their favorite tv show or movie.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The summer home of the largest colony of bats in the world.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

This is probably not the Target you're looking for.

Tile mosaics and quotes from Pablo Picasso add an artistic flair to these bus stop benches.

Colorful curls of hand-blown glass form a captivating tower in San Antonio's Central Library.

A grove of colossal man-made flowers built to collect the sun's rays.

Beauty and history abound in this remote West Texas canyon.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.