Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

Nature's biggest mammal swims in landlocked Oklahoma.

An acoustic anomaly with a mysterious cause.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

It was once the base for a series of domestic terror attacks.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

The "lovely red Vega" of the legendary record-settling pilot.