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

An original apothecary from 1792.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

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

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

A painfully obvious spy house sits right across the street from the Russian Embassy.

A wondrous old library overlooking the nation's capital.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A historic neighborhood church is reborn as a psychedelic arts collective.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

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

The site of the climactic scene from the classic horror film is now a historic landmark.

Once frequented by heavyweights of the Russian arts scene, this café is stuck in the 1800s.

Who said a biker bar is no place for a taxidermy squirrel collection?

In a small town outside Jerusalem, a roadside diner is devoted to all things Elvis Presley.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.