There's a crumbling old mansion inside the Smithsonian National Zoo.

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.

A nostalgic bibliographic gem.

There’s a hidden military meme engraved on the World War II Memorial.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Home to items never before seen by the public.

A dazzling display of lights and crystals.

When a guy acquired a free church, he hauled it away piece-by-piece to make it the tasting hall at his vineyard.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

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

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

The mounds at this site were reconstructed with the help of archaeologists and historians.

An office built to look like a giant basket.

Rare recess caves fill this unbelievably beautiful Ohio park.

A unique collection of military history dating back to the American Revolution.

"You can only scalp a customer once, but you can give him a haircut every two weeks"-Barber's Maxim.

See the nearly two-century-old ruins of pre-railroad America at the former site of a lock on the Ohio and Erie Canal.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.