A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

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

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

At 207 feet, one of the world's longest continuous escalators.

These figures float and flutter in this fountain crafted by famed Swedish sculptor Carl Milles.

A daily replay of the experiment that proved the rotation of the Earth.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

This former monument to an invented Iraqi victory was turned into a military camp during the subsequent invasion.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Yo, Adrian!

This elaborate towering structure was once famed for its revolutionary height.

Huge masonic hall in Philadelphia with lavishly themed rooms.

This beloved marketplace mascot poops money and grants good luck.

Alexander Hamilton’s creation caused quite a bit of controversy.

An Irish Memorial commemorating those who perished due to potato blight.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

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

This taxidermy horse was a Civil War hero.

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

The most decorated dog of World War I is preserved in the Smithsonian.

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

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

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

When it opened during the final years of the embargo, all the drinks and cigars were free.