This 15th-century island fortress later served as home to the executioners no one wanted to live near.

A two thousand year old brothel uncovered in Northern Greece.

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

Monasteries on rock pillars, once accessible only by frayed ropes.

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

This unassuming stone commemorates a condiment factory gone up in smoke.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

An ancient octagonal weather station named for the eight Greek gods of wind.

Where Mary Shelley’s "Frankenstein" and John William Polidori's "The Vampyre" were born.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

Half-drowned wooden stumps and stone blocks are all that remain of a Victorian landing that was destroyed by storms.

Regency-era excess on the English Coast.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.