The ruins of a pre-Columbian fortress city so secure it held off the Spanish conquistadors for over 20 years.

A massive display of meteorites all found in the Atacama Desert.

A beautiful little bookshop located in the middle of a desert.

This 18th-century tower is locally iconic.

You can swim in these highly salty, mesmerizingly blue lakes in the Atacama Desert.

At this beautifully preserved Pre-Hispanic site, you can see ancient petroglyphs with depictions of llamas and alpacas.

The largest geyser field in the southern hemisphere is a spectacular sight.

A larger-than-life house of cards stands outside the house of a former fashion designer.

This monastery built into a cliff hides a perfectly preserved hermit in a glass coffin.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

Avant garde house of Pierre Cardin on the Cote d’Azur.

A fortress on this island housed the mysterious prisoner known as the "Man in the Iron Mask" for more than a decade.

A climbing route in the mountains of Italy’s Dolomites, built for soldiers during World War I.

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

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

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

A brutalist gem towering over the heart of Milan.

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.

See what remains of a once grand ancient Roman circus.

The mark of the Devil's horns on a marble column in Milan.