A much-maligned monument to teetotalism.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Washington's iconic carousel has a nice piece of Civil Rights history.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

Senators used to relax in the nearly forgotten marble tubs now hidden in the U.S. Capitol Building's basement.

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

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

After his presidency, George Washington planned to live only a few blocks from the Capitol building.

An eerie abandoned gentlemen's club built for British officials during the colonial era.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

A strange mark in the stone fence of a cemetery fabled to have been made by the Devil himself.

Trinkets and toys lovingly handmade by maximum security prisoners.

They call buildings like this "mimetic architecture," but nothing has ever mimicked the taste of Moxie.