Fascinating town where normal life interfaces with the occult.

A fantastic castle rumored to be the birthplace of King Arthur.

A writer's tiny retreat built from salvaged shipwreck timbers.

A quirky "castle" formerly belonging to a famous British inventor.

The last bastion of Roman presence north of the Alps looms over a German town.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.