At one of the nation’s longest-running professional theaters, the audience used to barter for tickets with produce and livestock.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

In what is rumored to be an intentional act of spite, this memorial almost completely obscures the nearby grave of a senior officer.

Though his role as the inventor of baseball may be up for debate, fans still festoon Doubleday's grave with baseballs.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

Recorded as the first person buried in Arlington Cemetery.

The former home of the man whose radical ideas changed the nation.

Taste the white whiskey that the United States' first president once distilled and enjoyed.

A winding district gerrymandered into the shape of a mantis.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

It was once the base for a series of domestic terror attacks.

The system of air guns are fired off remotely to scare any trespassing avians.

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

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

These unusual rooms on wheels are holdovers from the 1960s.

The most historic church in Fairfax County played a role in the creation of the American Red Cross.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

A Civil War Museum with some notable medical antiques.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.