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

A tiny but mighty little pumper sits in the middle of the street, waiting for the next big oil strike.

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

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

An acoustic anomaly with a mysterious cause.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

A funhouse dummy that turned out to be a real life mummy, Elmer McCurdy is an urban legend come true.

The largest land animal skull ever discovered.

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

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