The rooster who crossed the road lives on forever in Takoma Park, Maryland.

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

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

The home of the first American-born saint is one of the only curved buildings in New York.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

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

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

More than a century of radio history is told in these displays.

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

One of America's first spies started out as a teacher in this little red one-room schoolhouse.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

The cave where two British judges hid in exile after sentencing the king to death.

This old mill and former police station now present a world-class collection of Orthodox iconography.

An alternate history park where the Union Army loses the war... to dinosaurs.

The mysterious headstone of an unidentified bank robber was seen visited, every year, by a woman in black.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

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

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

The world's oldest continuously operating airport was founded by the Wright Brothers.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.