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.

The first KFC is on the National Register of Historic Places.

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

This replica of the Greek structure is in the heart of Nashville.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

This limestone outcropping was once a ceremonial site for ancient Native Americans.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.