Legends say that this small island was the final resting place of the Welsh saint of lovers.

The stately remains of Llywelyn the Great's mighty fortress.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

France's most famous cemetery, with some of its most curious tombs.

The post-apocalyptic remnants of a bucolic town ruined by a plane crash.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".