Geothermal waterfalls in Tuscany.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Italy's third-largest Roman arena gives a peek into the underground operations beneath the ancient spectacles.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

Southern Italy's spinning top village.

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

This abandoned Brutalist treehouse is a hidden architectural relic.

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

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

A rare example of World War I trenches from the British front.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

A once drab public housing estate is transformed into a colorful gallery of trompe l’oeil murals.

This French chateau is home to the world’s largest private collection of fighter jets.

Old vessels have been transformed into artistic canvases in this unusual cemetery.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

A unique zoological park home to over 30 species of wild cats, both big and small.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.