The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

This European portal tomb has a capstone that weighs around 150 tons.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Home of the physician who set the leg of John Wilkes Booth after the Lincoln assassination.

St. Augustine's record-setting narrow street was designed to protect against pirates.

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

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

An 11th-century fortress home to one of the most influential royal houses in medieval Europe.

The profile of one ill-fated deacon was emblazoned forever on this church window during the Halifax explosion.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

The romance of early commercial flight still fills this Art Deco destination.

The oldest continuously operating fish market in the United States.

Built by the patriotic residents of Boonsboro in a single day.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

A daily replay of the experiment that proved the rotation of the Earth.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

An impressive display of ships and artifacts from the ancient Mediterranean maritime trade.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

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

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.