A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

The world's oldest surviving anatomical theater, where "the dead are pleased to help the living."

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

A fake medieval village in the middle of Turin.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

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

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

A once-luxurious, now abandoned hotel in the Italian Alps.

A Milanese café entirely designed by the American director Wes Anderson.

The world's most active stratovolcano is almost always erupting.

This abandoned Brutalist treehouse is a hidden architectural relic.

This winding road through an Italian canyon may be the most scenic drive in the world.

One of the largest caves in the world open to the public.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

Walk through a fairytale in Tuscany.

Crushed coral and crystals give the sand its signature coloration.

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

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

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

David Sedaris called it "The greatest shop in the world."