These "anatomical machines" are only one of the many strange items in this Italian crypt.

An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The sacristy of this church contains remains and relics of members of the Aragonese royal family.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

Richard Luke Concanen never set foot on American soil.

The relics of dozens of martyrs are stored in a single chapel.

Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

America's oldest archaeological site or a muddled case of wishful thinking.

One of America's most historic homes also holds a startling literary legacy.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

Final resting place of the author who wrote the ghost story "The Turn of the Screw," and his brother, the Harvard doctor and paranormal investigator.

This plaque commemorates the call between Alexander Graham Bell and Thomas A. Watson.

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

One of the last remaining movie theatres in the country that features a rear-projection system.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

Memorial to a beloved puppeteer as well as all street performers.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

Bouncing, delightful, mechanical art at the MIT Museum.

A tiny monument to the classic American candy.

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.