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

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

This cannon dating to 1755 has stood guard at this suburban intersection since 1915.

An airy would-be solution to a housing shortage.

Originally the home of chewing gum mogul William Wrigely Jr, it is now the official offices of the Tournament of Roses.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

A newspaper building that made radio history.

Inspiring Earthlings to Boldly Go.

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Where decommissioned airplanes and helicopters go to become part of Hollywood.

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

The only labyrinth within the city of Alexandria.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

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

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

The former home of elite checkers battles of the Capital Pool Checkers Club.

Exact replica of the ancient monument, but much, much lighter.

An 18-mile-long tunnel for sewage waste will soon wind within the bowels of Washington, D.C.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

The oldest living tree in Manhattan comes shrouded in sinister legend.

The site of the deadly Triangle Shirtwaist Factory Fire.