The first American department store, and home to the largest operating musical instrument in the world.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A layered tribute to the work of mosaicist Isaiah Zagar.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A much-maligned monument to teetotalism.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

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

Look closely and you’ll notice that the color changes a third of the way up the tower.

The national park was once a plantation estate.

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

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

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

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

A local prank turned town icon.

A toxic ghost town sitting atop a massive coal fire.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.