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

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.

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

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

The home of an antique carousel still in operation.

Over fifty whirling pools left by the glacial age.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

A Civil War Museum with some notable medical antiques.

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

A museum dedicated to exhibiting remarkable outsider art.

The trials and tribulations of marking Poe's grave.

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

A local prank turned town icon.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

Rumors persist that a bottle of whiskey is sealed within this Demijohn-shaped adornment.

An amazing example of Federal-period architecture, truly unique to this region of the state.

An outlandish shoe shaped house built by an eccentric millionaire.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

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

The ruins of this long-abandoned unsuccessful gold mine can still be found.

This pun was simply waiting to come to life, and one defense contractor made it so.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.