Recently we told you about Expedia's Flip Flop Report and let you know the lowdown on beach behavior from around the world. We learned that the average beach vacation lasts 7.7 days, Germans are the most likely to sunbathe nude and Indians think it's important to find new locations for beach destinations.

So how about those travelers looking to enjoy the beach in a truly unique beach destination? While you've probably seen pristine white beaches with azure waters and picture-perfect surroundings, what about a beach made of glass? Or the world's largest indoor beach? How about a beach littered with mysterious indigenous rock carvings? These are just a few of the many unusual beaches you'll find in the gallery below.

[image via Ekem]

Gallery: 20 Weird Beaches From Around The World

Filed under: Arts and Culture, Learning, Paddling, Scuba Diving, Surfing, Photos, Europe, North America, Oceania, United States, Ecotourism, Central America, Caribbean, Luxury Travel