The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The most decorated dog of World War I is preserved in the Smithsonian.

The walls of the iconic dome are hollow and have a secret stairway.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This historic sunny-yellow building has an unfortunate connection to the sinking of the Titanic.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

The Cadillac Ranch for monster truck aficionados.

Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.

This massive swimming pool is the high tech home to the human-powered submarine races.

Home of the physician who set the leg of John Wilkes Booth after the Lincoln assassination.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

One of the oldest train stations still standing in Virginia played a vital role during the Civil War.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

A whopping 14,000 copper coins cover this miniature fighter jet.

This pun was simply waiting to come to life, and one defense contractor made it so.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.