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

Home to Hollywood history and a very special salt crystal.

Thousands of small machines line the shelves of this personal collection which definitely delivers on its name.

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

Like Stonehenge, but with boats and oodles more charm.

A museum celebrating the Victorian obsession with hair art.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

This statue is an ode to an iconic roadside advertisement popularized during the 1970s.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

The first home of the doomed aviator Amelia Earhart.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

The Quapaw tribe supplies the meat and produce in this Oklahoma casino restaurant.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

The ruins of this former mining boomtown once housed over 3,000 people. Now, the population is two.

The home of famed war correspondent Ernie Pyle is now a library and museum dedicated to his memory.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

The oldest continuously occupied public building in the United States.

A natural formation that resembles a camel resting in the New Mexico desert.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.