A classic advertising icon immortalized in regal bronze.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A man-made island in scenic San Francisco Bay.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

An ear-piercing buzzer calls lawmakers to a vote with a series of long and short rings to form coded messages.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

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.

The tunnel under the Capitol Building where Congress takes out its trash.

D.C. once had its own tiny rival to the New York Stock Exchange.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

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

The only tennis court that falls under the jurisdiction of the central bank.

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

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

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

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.