A quirky collection of outsider art made from automobile parts.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Remnants of a storybook amusement park hidden behind a strip mall.

A collection of artifacts from Maryland's maritime past.

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

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

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

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

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

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

This former asylum for Black Americans is haunted by its history of violence and racism.

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

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

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

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

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

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

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

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

This abandoned sea fort has become an accidental bird sanctuary.

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

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