The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Museum dedicated to the art of cutting and polishing stones.

A lush green oasis in the middle of Chicago.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

First planned industrial community in the United States.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

A singular collection of hand-built art deco cars are held in a building with style to match.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

The first artificial white water river course in North America cuts right through an Indiana city.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Statue dedicated to the star of an old television show.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

This cave holds a surprisingly colorful variety of geological oddities.

A bypass decorated with large wooden troll carvings.

A Museum of Holography frozen in 1974.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Landmark Chicago building narrowly avoided destruction.

Former meatpacking facility turned vertical farm and sustainable business complex.

The 606 is a decade in the making.

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

A science teacher's dream.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.