Southern Italy's spinning top village.

Relics designed to contain and conceal Yugoslavian submarines.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

Bridge that died in war and was resurected.

A well-worshipped shrine to the Virgin Mary nestled inside the last of Zagreb’s historic gates.

This 135-year-old weather station studied the effects of the climate on human health.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

Two small chapels housed inside an ancient tree.

The Tudor-style cottage in the middle of the square is not quite what it seems.

These medieval ruins have survived since the 12th century, even providing shelter from the Nazis.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

Winston Churchill painted this lake during his stay Woolsack Castle in the Landes forest.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

From carts to cars, this leftover Roman bridge in France has managed to survive for centuries.

The castle where the Marquis de Sade lived out his darkest fantasies.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

The site of slaughterhouses that once satisfied Parisians' taste for horse meat is now home to a park and book market.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

Rumored to have been frequented by Vincent van Gogh, it's the only remaining genever producer in the Hague.