Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

Outsider art meets paleontology at this roadside reptile repository.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

Wedged between two sets of row houses is an awkwardly located family graveyard.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

A winding district gerrymandered into the shape of a mantis.

This former asylum for Black Americans is haunted by its history of violence and racism.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

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

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

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

Fittingly, America's museum of architecture is itself a magnificently designed old building.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

An overlooked memorial honoring the local Washington residents who died in World War I.

Home to items never before seen by the public.

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

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

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

The hidden offices underneath Memorial Bridge have been locked up since 1976.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

The national park was once a plantation estate.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.