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

This downtown Dallas art installation is always on the lookout.

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

Continuing the tradition of the dime museum in style.

An obelisk commemorating Lincoln's role in connecting the coasts.

The notorious couple camped at this site after a bloody shootout with police.

This simple home was the beginning of a long journey for the iconic Western film star.

Undone by Prohibition, this abandoned brewery-turned-flour mill is now ready for its third act.

This abandoned prison castle has become an imposing gallery of graffiti art.

One of few remaining antique carousels with stationary animals in the U.S.

There are eight natural springs around town, each with a slightly different taste.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

This super steep hike ascends 2,000 feet in less than a mile.

See six states, pickled freaks, rocks, and antiques.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The largest source of fossilized insects anywhere.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.