This taxidermy horse was a Civil War hero.

The 28,000-year-old specimen is remarkably intact.

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

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

The first memorial dedicated solely to the Black troops who fought for the Union.

During Prohibition, the U.S. Congress had an "official" bootlegger, with his own Capitol Hill office.

The district's only illusionarium supports free writing programs for local students with every purchase.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

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

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

A fantastic array of trays and cables once whisked books over to the Capitol at 600 feet per minute.

Go take a picture with the inventor of the daguerreotype photographic process.

The towering figures were created from the cemetery's fallen old-growth trees.

This poor little statue is the most vandalized memorial in Washington.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

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

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.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

Home to a vast and influential collection of Shakespeareana.

A haunting tribute to pioneering photographer Clover Adams.

Cold War intelligence agents monitored communist embassies from an attic in a former pigeon coop.