This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

This is one really big nut.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

A burial vault located under Tiber Island in the middle of the Italian capital.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The walls and streets of the ancient city are peppered with penises.

The Emperor Tiberius' palace of debauchery.

According to the legend, this structure was built in a single night with the help of the devil.

The world's most active stratovolcano is almost always erupting.

Every inch of this chapel is covered in craftsmanship from across the world.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

This Arabesque Italian castle was built with a primitive, if ingenious, air-conditioning system.

Thousands of well-dressed mummies below a monastery.

Inside this small museum resides a strange mix of miniature collections passed down over time.