This extraordinary model train layout covers over 1,700 square feet, with multiple trains running simultaneously.

The Perry Hall Mansion is noteworthy for its role in the founding of American Methodism and its continued representation of Perry Hall's historical and cultural identity.

One of America's oldest continuously operating hotels offers a blend of rich history and historic architecture in the heart of Annapolis.

A mural honoring two trailblazing Supreme Court Justices—Thurgood Marshall and Ruth Bader Ginsburg.

Once the home of a noted Civil War spy, the two-story brick house now serves as a museum.

This Harriet Tubman mural went viral for kids interacting with it.

An echo chamber with a waterfall wrapped around its base at the Embassy of Canada in Washington, D.C.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

One of the best-selling bar bands in American music history is commemorated in their hometown's Five Points neighborhood.

A rare 18th-century heating system tucked inside a historic colonial home.

A stick-sprouting statue watching a duo of disembodied dancing deities.

A giant time capsule not scheduled to be cored until 2040.

This general store is more than a century old and home to various oddities and antiques.

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

This bridge over D.C.'s Rock Creek Park is sometimes called the "Buffalo Bridge" because of its four buffalo sculptures, which were cast from a single piece of bronze.

A gift from Japan, 17th-century lantern stands among the cherry trees at D.C.'s Tidal Basin.

A spectacular tribute to statesman and philanthropist Andrew Mellon.

Beneath unsuspecting visitors feet, a capsule containing pieces of America’s civil rights history.

This statue of the "father of television" stands prominently in the United States Capitol.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

‘Bush the old fire dog died of poison July 5th, 1869. RIP.’