Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

This museum offers an actual time machine back through Colorado's past.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A medieval castle in the middle of rural Texas.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

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

A 131-year-old wunderkammer of Texas history.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

The 40-foot-tall votive candle is the largest of its kind.

A colorful public mural in San Antonio's West Side encourages students to stay in school.

San Antonio's first 3-D stereoscopic mural is a trippy treat for the eyes.

Established in 1925, Kiddie Park claims to be the oldest amusement park in the U.S. - a cozy little time warp nestled in a shady corner of the modern world.

A tall smoke stack and boarded-up buildings are all that's left of the pioneering plant.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

A 2,500-pound wooden nickel makes this woodworking museum easy to spot from the road.

These boots are made for selfies.

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

Three hundred years of preserved Spanish colonial history in San Antonio.

A hidden beach at the end of a tunnel of mangrove trees.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

This replica of the Greek structure is in the heart of Nashville.

Behind the Cowboy Hall of Fame is a burial ground for good horses and a famed rodeo bull.

Very likely the only museum in the world that celebrates the glory of the humble banjo.

A private residence adorned with a gorgeous mural dedicated to the buzzing insect.