Government in Washington, D.C.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

The U.S. Fish Commission’s effort to mass produce carp.

In the basement of the U.S. Capitol Building is a hidden storage room full of ornate floor tiles leftover from the 1850s.

100 years later, they're still down there.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

Literal "money laundering."

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

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

The elevator that makes it possible to fly American flags in bulk over the U.S. Capitol

They sort through millions of dollars worth of diplomatic gifts on behalf of the government.

The walls of the iconic dome are hollow and have a secret stairway.

Every drop of D.C. tap water flows through this old waterworks.

A nostalgic bibliographic gem.

Where the U.S. government kept its actual treasure, before Fort Knox.