A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Once the smallest park in the national system.

This enthusiast-led facility is the only museum in the country dedicated to the preservation of weather artifacts.

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

In Oklahoma City's Bricktown, there's a street that don't use jelly.

Come for the fried chicken, stay for the history at Oklahoma's oldest bar.

A subterranean haunt where wine and homemade biscottis are always on the menu.

A commemoration of over 150 of St. Louis's favorite sons and daughters.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

One of the world's earliest skyscrapers.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

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