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

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.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The small first-floor apartment where the author wrote her Pulitzer Prize-winning book 'Gone with the Wind.'

Two flush headstones mark the only known graves to be embedded in an airport runway.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

This otherworldly church spire reaches up toward the heavens.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Community bookshelf of 25-foot-tall book spines.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

Illegal drag racing two stories beneath Chicago’s streets.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

A building so large that it has its own weather.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

The 25th President's marble casket can be visited in this classical Ohio tomb.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A real flying saucer, contracted by the U.S. Air Force.

Deep scars on the earth left by the Ice Age.

An abandoned relic of the city's failed experiment with below ground transit.

Take a drunken tour inside the world's largest known geode.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.