100 years later, they're still down there.

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

Once America's tallest structure, now a Baltimore landmark.

Before Nixon, "watergate" meant canals.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

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

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

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

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

A much-maligned monument to teetotalism.

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

A small poultry graveyard in the courtyard of a popular Key West watering hole.

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

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

"We Seceded Where Others Failed."

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

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

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

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

The "lovely red Vega" of the legendary record-settling pilot.

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

I-95's Tijuana-style celebration of kitsch at the Carolina border.