A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

Trinkets and toys lovingly handmade by maximum security prisoners.

This roadside stand claims to be the world's smallest bookstore.

If a visit to this farmhouse feels as if you are stepping into an artistic masterpiece, you’d be right.

One of the earliest depictions of an Arthurian scene that is shrouded in mystery.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

This glamorous old building is said to have inspired the Tower of Terror.

The blinking light atop the iconic landmark has been sending secret messages for decades.

Resting place of Hollywood's immortals is also site of summer film screenings.

An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

Pay your respects to a folk-punk legend.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

Eat first, shop later at this eatery within an Asian grocer.

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

MIT students continue the legacy of beloved professor "Doc" Edgerton through learning by doing.