The only structure left with direct ties to the Salem witchcraft trials of 1692.

Each of these hand-painted wooden boxes, which date to between the 16th and 19th centuries, contains a genuine human skull.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

Try not to get slimed in Tribeca.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A once-magnificent collegiate church is falling into ruin.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

The one-time office of the architectural firm that ushered in the Gilded Age is now a Club Monaco.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

The final resting place of a controversial man who was instrumental in plucking the banjo from obscurity.

The site of the climactic scene from the classic horror film is now a historic landmark.

An abandoned gun-funded 19th century utopia.

How did the right arm of a 13th-century English bishop wind up in a Connecticut church?

The world's largest public collection of PEZ memorabilia.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

This cemetery features modernist statues as strange as its name.

Final resting place of one of the classic authors of horror literature.

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

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."