A stunning landscape of bunkers that once stored chemical weapons.

A museum dedicated to the history and exploration of both popular music and science fiction.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

Jail from the 19th century that was built by inmates.

The largest outdoor art gallery in the Northwest United States.

Boise State's stadium was the first non-green football field in the world.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

This stately clubhouse has showcased German-American culture for over a century.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.

The first park built over a freeway is a brutalist masterwork.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Less a museum than a bizarre fantasy world created by artists and engineers.

Live long and prosper in Tennessee.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This historic train station has been converted to a locomotive themed hotel.

The first artificial white water river course in North America cuts right through an Indiana city.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

The world's first aircraft factory has been hiding inside an automobile plant for almost 80 years.

A headstone tells the sad story of a lost little boy and his pet dog.