Home to a vast and influential collection of Shakespeareana.

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

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

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

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

The most accurate timepiece in the world.

It was once the base for a series of domestic terror attacks.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A modern zoetrope on the New York City subway.

Sniff the Titan Arum's rotting flesh.

The curiosities and wonders of pharmacy in a delightful historic building.

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

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

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

The national park was once a plantation estate.

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

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

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

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

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

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

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

Fittingly, America's museum of architecture is itself a magnificently designed old building.