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

The first green space constructed on an elevated viaduct.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

France's most famous cemetery, with some of its most curious tombs.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This picturesque medieval monastery guards a small trove of historic treasures.

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

An ethereal glowing blue ocean cave in Croatia.