Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

A swimming hole in the historic industrial quarry that supplied the marble for the Baltimore Washington Monument.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

The first blast furnace in the United States that used coal and coke fuel instead of charcoal to make pig iron.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

Baltimore's first skyscraper may be home to the inspiration behind pulp fiction's most celebrated bird.

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

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

An abandoned church gets a second life as a massive beer hall and event space.

The trials and tribulations of marking Poe’s grave.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

The only public swimming pool in Baltimore open to Black Americans during segregation is now a permanent memorial art exhibit.

A quick journey through the history of Annapolis.

A Maryland museum dedicated to Black history, housed in a historic church.

This statue honors the author's groundbreaking family story.

A winding district gerrymandered into the shape of a mantis.

A scenic fort on the harbor protected Philadelphia from an attack that never came.

These old doors are covered in the signatures of Rehoboth Beach artists dating back to the 1930s.

Museum houses an impressive display of the origin and artistry from the now-quaint invention's history.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.