Plaque remembering the 18th century forced relocation of Acadians.

Maine’s only official memorial to the Underground Railroad.

The eccentric mansion of one of the most popular horror authors of modern times.

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

This museum sits on the site of a decommissioned military communications base.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

A quintet of history museums make this Virginia graveyard as much a resting place for funereal history as it is for people.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

This old-fashioned carhop restaurant gave the world the waffle cone.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

This dazzling Art Nouveau mansion is now home to the Modern Art Gallery Subotica.

This symbol of Yugoslav liberation decorated with 620 carved heads of mythical creatures is now a forlorn relic of another time.

Rent a barrel for a personal view of where the Baltic Sea meets the Gulf of Riga.

A top secret Cold War bunker hidden beneath a Latvian spa facility is now open for tours.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

This cemetery is home to numerous granite headstones that are works of art unto themselves.

This beach-side arcade is believed to be the oldest penny arcade in America.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.