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The World Heritage Site at Petra, Jordan still has a few secrets -- one of which has just been discovered thanks to aerial technology.
The vast cityscapes had been lost to the jungle for centuries, but that's before helicopter-mounted lasers came along.
Decades of storms and decay have transformed Japan's tiny Hashima Island, once home to 5,259 people, into the haunting and incredible Gunkanjima: Battleship Island. Here's a tour.
The Scottish Ten is undergoing a detailed survey of the Sydney Opera House as part of its project to digitally preserve UNESCO World Heritage Sites.
The island, a UNESCO World Heritage Site, is home to towering cedars that are thousands of years old. Google has captured views of the forest in winter.