There was a top secret plan during World War II to seal a group of soldiers inside the rock.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

WWII artifacts, including the building itself.

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Follow the original medieval paths that wind through this intriguing section of the city.

This network of narrow, medieval passages has the most delightful name.

Famously misunderstood wonder of the ancient world

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

This slowly crumbling mansion was home to one of East Africa's richest and most powerful slave traders.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

The sign at the garden gate reads: “These Plants Can Kill.”

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

WWI hospital ship lost in a cyclone turns up on the coast of Fraser Island, where she remains rusted and forgotten.

One of the first big sculptures anywhere in Australia.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

In Egypt's expanding metro area, many of the neighbors are dead.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

An ancient necropolis of magnificent tombs.

This famous city eluded concrete detection until the early 2000's.

In this historic region, homes and churches are carved into ancient volcanic rock formations.