The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

Less a museum than a bizarre fantasy world created by artists and engineers.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

Home to items never before seen by the public.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

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.

Home of an evil witch famous within southern folklore.

The world's longest known cave system.

The longest navigable underground river in the United States is home to countless blind and albino animals.

The only freestanding table rock formation east of the Mississippi.

You thought Santa Claus didn't exist, but it turns out you were wrong.

Symbolic attempt to overcome the issues of life.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.