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

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

Man-made geyser that rises to the exact height of the Gateway Arch.

This abandoned 19th century orphanage started as a boarding school for children of Civil War veterans.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

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

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

These pretty kitties killed and ate as many as 135 railway workers.

The famed architect designed this Minnesota gas station of the future with a lookout tower.