Places Annie Oortman Wants to Go

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

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Before founding the American Red Cross, Clara Barton had a tremendous humanitarian impact by locating thousands of missing soldiers.

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

A building shaped like the Army Corps of Engineers logo, because why not?

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

There's an old indoor swimming pool hidden directly underneath the White House Press Briefing Room.

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

A diminutive plaque recalls the treetop sniper who almost killed Abe Lincoln.

A historic arena where the Beatles played their first concert in the U.S.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

Before Nixon, "watergate" meant canals.

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

There’s a special club house at the top for the bell ringers.

Art deco landmark on the outskirts of Washington, D.C.

A much-maligned monument to teetotalism.

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

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

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

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

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

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