A massive natural rock arch gives the Tuscan mountain its own window to the sky.

Geometry and mystery come together in an epic show of octagonal masonry.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

One of the most accessible undersea plane wrecks in the world.

They squeal, they nosh, they look like predators.

In paradise, feral pigs have claimed an island all to themselves.

Claude Monet immortalized this medieval bridge in two of his paintings.

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

A short volcanic hill in Quito doubles as a stellar observation point of an iconic statue.

The world's tallest aluminum statue is also the world's tallest image of a winged Virgin Mary.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

Quito's historic, main square dates back to the 16th century.

Stocking up on the world's best beer requires a pilgrimage to a monastery drive-through.

To enter this cluttered-yet-cozy sanctum of Belgian brews, ring the bell and tell the gatekeepers you've come “to taste beer.”

A man throwing a giant severed hand towers over Antwerp’s main square.

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

The statue of a legendary giant who carried Christ and shouldered the world's sins.

A black cat protests the City Guild in Riga's Old Town.

3,000 market stands in five former Zeppelin hangars.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.