The world-record holder for the longest bridge stretching continuously over water.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

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

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

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

This university transit system is a 1970's vision of the future.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

Considered by many to be one of the most dangerous highways in Alaska.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

A tiny graveyard with a mysterious past.

A high-octane shrine to the greatest Texans who ever lived.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

One part antique store, one part curiosities hodge-podge.

Continuing the tradition of the dime museum in style.

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

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

Just a man taking his prehistoric pet for a stroll.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Every president in history is immortalized in bronze in downtown Rapid City.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.