These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

Pop culture has helped to keep this iconic British building from being destroyed.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This tidal island, a sacred site in early English Christianity, was the target of a notable Viking invasion.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

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.

This building was once the most magnificent mansion in Nafplio.

Believed to be the only Orthodox church in the world that features a free-standing pulpit.

This 18th-century former mosque held the first Hellenic Parliament.

This fairytale-looking castle is a wonderful example of Greek neo-Gothic architecture

Public water fountains built during the Ottoman Era still stand throughout this seaside town.

This pink watchtower served as the seat of the Greek government after independence from the Turks.

These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

This seaside sanctuary was once one of the most important religious sites for women in ancient Greece.

This legendary city has been a tourist attraction for centuries.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

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

The hallucinogenic center of the ancient world.

The historic building has preserved human organs, unusual hexagrams, and scars from a political assassination.

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

Past the megayachts in the hyper-modern marina of Vouliagmeni is a small, well-hidden chapel adorned with pebbles and maritime imagery.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

Only open for two days a year, this church links ancient Greek and modern Christian celebrations.