This cave overlooking the Indian Ocean has been turned into a shelter and makeshift museum.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A whimsical bridge adorned with decorative dragons.

A breathtaking viewing platform over the Alps.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

A plaque on the base of this statue holds a bewitching design.

A lover's walk between hilltop towns, decorated with graffiti love notes.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

This massive blockhead sculpture hides an entire library.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

This museum houses an imposing skeleton army comprised of creatures great and small.

A gruesome combat between a hunter and a furious momma bear.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

This bridge was constructed from the rubble of the infamous Bastille.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

This emotive sculpture was originally created for the 1878 World's Fair.