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

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Comprised of Spanish war cannons, this sculpture once graced the bow of a WWI warship.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

Statue dedicated to the star of an old television show.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

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

A line of blue paint marks the route of the inaugural parade.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

D.C. once had its own tiny rival to the New York Stock Exchange.

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

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

This cave holds a surprisingly colorful variety of geological oddities.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Robots, lasers, and whoopee cushions, oh my!

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

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

The rogue roots are gradually consuming some of the historic marble grave markers.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."