This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

The land is home to swimming ponies and a legendary 18th-century treasure.

This statue of two men in a rowboat was erected to honor those who died while fishing in the Chesapeake Bay.

An isolated island home to one of the oldest English-speaking communities in the region and Maryland's state dessert.

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

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

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

The rogue roots are gradually consuming some of the historic marble grave markers.

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

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

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

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

Just outside the Naval Academy, Hell Point is a historical marker that could easily be the point where failed students wait for the bus.

This Annapolis home was built by one of the signers of the Declaration of Independence.

The oldest military monument in the United States.

This 16-foot, intricately detailed model of the Gearing-class destroyer has been called the most detailed model ship ever built.

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

A set of rowhouses built for laborers at a glass company are the last of their kind in Annapolis.

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

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.