Once damaged by Hurricane Agnes, this bridge is now on the National Register of Historic Places.

This one-room cabin where the young colonel slept during the French and Indian War.

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

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

The highest point in Maryland is only accessible by hiking through another state.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

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

The old building has been restored to its 1907 appearance.

Near the state border, cars seem to defy the laws of physics by rolling uphill.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

The Cadillac Ranch for monster truck aficionados.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

Outsider art meets paleontology at this roadside reptile repository.

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

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

This is the cabin from which John Brown and his men launched their fateful war to end slavery on October 16, 1859.

True to its name, this little house presents like a dollhouse, and surprising details are revealed with a quick peek through the window.

Take a trip to the past aboard a 1920s railcar or open flatcar for a scenic ride through Maryland farm country.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

This three-story Victorian mansion is now home to the National Park Service’s Historic Preservation Training Center headquarters.

A well-preserved quarry and six of eight continuous burning pot kilns used to make burnt lime and crushed stone are highlights of the self-guided walking tour in Fountain Rock Park.

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

This statue honors the author's groundbreaking family story.

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