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

The former home of Thomson Francis Mason, the mayor of Alexandria from 1827-1830.

A former major munitions plant that has been converted into a sprawling art space.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

Washington's iconic carousel has a nice piece of Civil Rights history.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

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

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.

A real flying saucer, contracted by the U.S. Air Force.

This magnificent Cincinnati graveyard is also a popular public park.

Sambusas get a Deep Southern twist at this Somali chai haven.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

Viet-Cajun is a true hybrid cuisine that evolved in Houston and at this Asiatown mainstay, there’s more to it than just crawfish.

Originally brought to Texas by Czech settlers, these sweet and savory pastries are an essential local breakfast staple.

This small park features a monumental fountain wall, providing a great photo opportunity in the middle of Houston.

An unrealized Taoist palace left abandoned in a Houston suburb.

Beer lover's can-covered house.

A taste of Middle Earth, in the middle of the Bayou City.

Visitors to this Kentucky homestead turned museum are immediately transported back to the Antebellum south.

A full-scale replica of a 1774 colonial settlement in Kentucky.

Veritable museum of 20th century country music history.