Macabre astrological automaton clock dating to the late 1400s.

A church of bones, decorated with 40,000 human skeletons.

A wunderkammer of curious objects and intriguing art nestled within a hub of ancient Roman sites.

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

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

The Pope’s secret escape route.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

This beautiful train graveyard is one of the largest collections of steam locomotives in the Mediterranean and Europe.

This hidden gem is bathed in beautiful natural light.

This shuttered power plant is now Turkey's first industrial archaeology museum.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

Step back in time and witness the fall of Constantinople.

Ottoman-era houses lovingly preserved.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

This famous city eluded concrete detection until the early 2000's.

A deadly ancient portal to the underworld.

Helped by a surprise posthumous donation this small town toy museum features over 5,000 vintage playthings.

A genuine Little Shop of Horrors.

A comic book store that puts the marvel back in marvellous.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.