A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

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

At 207 feet, one of the world's longest continuous escalators.

Home to a giant switchblade and one of the world's largest collections of pocket knives, this museum is a cut above the rest.

A vast array of tropical plants collected by a vacationing couple.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

‘Bush the old fire dog died of poison July 5th, 1869. RIP.’

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

Where the U.S. government kept its actual treasure, before Fort Knox.

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

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

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

It's a pretty creepy lock-up.

This curio museum seems like the type of place you might find a mogwai or a monkey's paw.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A lion given to the prime minister somehow got stuffed and sent to Florida.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.