Natural cathedral designed by Italian artist Giuliano Mauri.

A German artist built a home and garden filled with whimsical art pieces, like a massive, operational volcano.

This small Milan street is filled with colorful homes and a rich history.

This sculpture of a rhinoceros suspended above a city square is meant to evoke the weight of the human condition.

Giant topiary dog once played a role in a terrorist bomb plot.

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

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

Where beer lovers can literally immerse themselves in beer.

Visitors dip into a variety of pools of what was once ice.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

Within the Dadès Gorge, amazing vistas and towering cliff faces can be seen at each new curve and bend in the road.

The glowing blue Nymphaeum of Emperor Tiberius.

The largest underground lake in Europe.

A stately castle in the northern Italian countryside has been restored after years of neglect.