The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

Perhaps the most scandalous statue of America's first president.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

The national park was once a plantation estate.

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

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

The house where John Wilkes Booth conspired with his co-conspirators.

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

Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

This recently restored timepiece has stood all around Kansas City.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

A snapshot of the city's fascinating voodoo culture.

A monument to the art of slicing people open.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

The second oldest continuously operating bar in Louisiana.

Introducing the Green Fairy to her fawning masses.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

One part antique store, one part curiosities hodge-podge.