An outlandish shoe shaped house built by an eccentric millionaire.

In this cemetery stands the country's first public crematorium.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

The first of Lancaster's "rural cemeteries."

This iconic Lancaster everyman has been reading the same story since 1980.

The oldest farmer's market in America is so ancient it was approved by the King of England.

This groundbreaking 16th-century map is known as "America's birth certificate."

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

The tunnel under the Capitol Building where Congress takes out its trash.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

The only Leonardo Da Vinci painting in the Western Hemisphere.

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

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

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

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

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

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

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

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

An allegorical sculpture in Maryland wears the artist’s politics on its trunk.