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

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

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

Ship skeletons haunt Baltimore's waterways.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

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

An astounding collection of medical specimens, including bits of President Lincoln.

FDR's Art Deco hospital tower was hopelessly inefficient.

The elevator hidden in a smokestack on Roosevelt's yacht now serves as a monument to the former president.

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

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

A relic of FDR's brief foray into utopian urban planning.

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

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

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

A lawn full of retired spacecraft on display at one of NASA's first research labs.

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

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.

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

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

This abandoned sea fort has become an accidental bird sanctuary.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.