This museum and former department store is home to the largest collection of A.R. Mitchell art in the world.

The hallowed ground of one of the worst atrocities in United States history.

Once owned by the largest employer in Colorado, these ovens have been abandoned for over a century.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

This scenic overlook commemorates the tragic death of a soon-to-be-married lumberjack.

One of the oldest art supply stores in the United States.

One of the oldest continuously operating amusement parks in the U.S. is an open-air museum of Art Deco and neon lights.

In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

This is one really big nut.

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

Once disputed as the largest sundial in the world.

Once named the “world’s oldest gas station” due to its unusual construction material.

A multiversal transit station located right below a highway interchange.

A fascinating collection of art made from petrified wood and fossils by two octogenarian twin brothers.

This little gem of a museum is a hidden jewel filled with prehistoric treasures.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

For the last eight decades, this curious shop has been ridding Atlanta of bad juju.

A glimpse into early 19th-century education.

This Colorado fire station has been in continuous operation for more than a century.

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