Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

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

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

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

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

Remembering the Alamo with a full-scale replica of the 1836 city.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A modernist landscape of water and sci-fi concrete.

Walk 2,300 feet above the ground on the "Troll's Tongue."

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

An Aztec snake god has taken the material form of an apartment complex.

Started as a kitchen garden, now the second largest botanical garden in the world.

The largest earthwork effigy in the world.

Tubing through a cave lit with glowworms is a magical underground experience.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

The longest hedge maze in the world.

Olfactory delights in San Francisco's Botanical Gardens.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

A Hawaiian stairway to heaven—that you can't climb.

A seemingly endless landscape of pure salt stretches far across Bolivia.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."