A river runs through this remote valley in a very unexpected way.

A large circus museum with summer performances.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

Robots, lasers, and whoopee cushions, oh my!

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

Legends surround this jagged rock formation in the New Mexico desert.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

A blacklight journey through a celestial art exhibit.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Home to the deepest rift anywhere on Earth.

A museum dedicated to the alleged Roswell Incident.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

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

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

This high desert botanical garden is a unique display of New Mexico’s ecology and culture.

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

Make sweet music as you walk through this interactive sonic sculpture.

At 130 years old and 126 feet tall, it is the largest known example of the rare Torrey pine tree.