A relic of FDR's brief foray into utopian urban planning.

A winding district gerrymandered into the shape of a mantis.

FDR's Art Deco hospital tower was hopelessly inefficient.

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

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

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

This suburban house is made of dirt, and almost sparked a revolution in home construction.

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

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

A mammoth pair of Civil War artillery guns abandoned out in the forest.

The whole world in one water tank.

The world's oldest continuously operating airport was founded by the Wright Brothers.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

One of the only memorials dedicated to journalists who died in combat.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

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 one-room cabin where the young colonel slept during the French and Indian War.

Tiny observatory made big contributions to the study of the Earth's motion.

Ship skeletons haunt Baltimore's waterways.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.