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

Not all airplanes are found in hangars or on runways, but this wayward fuselage seems out of place in its odd rural resting place.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

Its diverse collection of computers and technology spans the ages.

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

The final resting place of an iconic drag performer is decorated with pearls and hot-pink lipstick.

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

Nobles would stage mock naval battles on this large lake at the Royal Palace of Caserta.

Pompeii's less famous neighbor is still revealing her secrets.

Well-preserved, still-functional sliding wood doors from Ancient Rome can be found in this Vesuvius-stricken house.

The solitary grave of a schooner captain killed by lightning while serving biscuits.

The taxidermy remains of the most popular pony in children's literature.

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

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.

A unique marker erected during the 18th century.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

The mistake that launched the commercial broiler chicken industry is immortalized in the town where it took place.

Once used as a deterrent to drinking alcohol.

These old doors are covered in the signatures of Rehoboth Beach artists dating back to the 1930s.

This fortress was built using the last surviving stones from the Lighthouse of Alexandria, one of the Seven Wonders of the Ancient World.

The grounds of former plantations where abolitionist Harriet Tubman spent her youth enslaved are now a museum to her incredible life.

Former home of an abolitionist couple who escaped slavery and established the most active Underground Railroad stop in Boston.