Home to 200 plaster casts of Scandinavian proboscises.

The indecision over what to place in this square was immortalized with a plaque.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

The United States Capitol's former columns still stand.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

Art deco landmark on the outskirts of Washington, D.C.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

The narrowest house in America is seven feet of pure spite.

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

A former pillar of the Black community in Ellicott City.

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

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

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

There’s a hidden military meme engraved on the World War II Memorial.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

This Central New York ghost town was once a prosperous railroad community.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

A peaceful international sculpture garden in upstate New York.

Three acres of mythology-inspired sculptures are visible from the highway.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.