Two dozen pinball games hidden away inside a most unlikely location.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

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

Politicians, bureaucrats, and military officers gathered in this field near the Capitol to settle their disputes with blood.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones’ locker.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

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

This abandoned sea fort has become an accidental bird sanctuary.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

A museum dedicated to exhibiting remarkable outsider art.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

The site where Poe “in great distress, and ... in need of immediate assistance” likely died.

The trials and tribulations of marking Poe’s grave.

The U.S. Fish Commission’s effort to mass produce carp.