More than 21,000 images fill this overlooked gem of a prehistoric site.

This is one really big nut.

Home of the International Space Hall of Fame.

High in the Sacramento Mountains, a facility dedicated to studying the sun.

A natural history wunderkammer in the middle of the desert.

Take a dip in the world's largest mineral hot springs pool.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

This former shopping outlet is now adorned with beautiful graffiti and murals.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

A ghost town that held steady longer than most, but finally gave up the ghost.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

This arid landscape was once a lush wetland. Today, it's a paleontological site filled with fossilized mammoths, sabertooth cats, and more.

This giant temperature attraction created some giant electric bills.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

The oldest structure in a beachside California city was built to serve eight students.

These unusual houses look like giant boats that washed ashore on a residential street.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

A stone pillar commemorates the surrender of the extraordinary Apache leader.