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

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

This strange statue features a bust of the famous composer plopped atop a woman's body.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

An agreement meant to honor the Duke of Buckingham led to this unusually-named passageway near Charing Cross.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

At this small museum, visitors can view artifacts from the only battlefield in London during the War of the Roses.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

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

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.

This poignant art installation raises awareness of violence against women.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

The secret medieval communication system will whisk your words above the noise of the crowd.

A brutalist gem towering over the heart of Milan.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This camera store in Milan holds one of Europe’s largest collections of luxury-antique cameras.