A fairy tale castle in modern Rome.

One of the most easily accessible examples of the rare 1960s UFO houses.

A wunderkammer of mysterious objects and stories.

One of the most important yet well-hidden museums dedicated to the history of medicine.

One of London's oldest houses contains a mixture of both old and modern features.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

Europe’s most powerful hot spring supplies the surrounding region with hot water.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

Tubing through a cave lit with glowworms is a magical underground experience.

This small Slovenian town has become a magnet for microbreweries.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

Military artifacts from the Salvadoran Civil War are displayed in this small but notable museum.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.