Go inside to really appreciate this 500-year-old technological masterpiece.

The San Marino-Rimini railroad was short-lived but this tunnel once provided shelter for hundreds of refugees during World War II.

Famous landmarks and structures from across Italy fill this miniature park.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

Does this church in Naples hold the true tomb of Vlad the Impaler, the notoriously cruel figure who inspired Bram Stoker's Dracula?

Locals pay their respects at a shrine to soccer player Diego Maradona—which claims to contain a real lock of his hair.

The relics of dozens of martyrs are stored in a single chapel.

Legend has it that the devil itself built this portal on a dare.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

Vast network of air raid tunnels beneath Lombardy's capital.

Remnants of cone-shaped fascist bomb shelters in Milan.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Genoa's collection of over 4 million zoological, botanical, and geological specimens from around the world.

This 19th century cyclorama acts like an analogue time machine to a different era.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

The world's oldest known salt mine.

Oddly enough, a pair of Wolfs funded the construction of this Little Red Riding Hood sculpture.

The patron saint of spinsters grasps a container of dried blood.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

Small museum dedicated to one of the founding fathers of modern astronautics.

A former Nazi lookout tower with a magnificent view of the Rhineland.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

A memorial for a racecar driver who died while trying to set a land speed record on the autobahn.