This natural wonder of the Philippines is a stunning landscape of more than 1,200 conical hills that blanket the landscape of Bohol Island. The hills range in size from 30 to 50 meters high and are covered in lush green grass, giving them the appearance of chocolate-covered hills. The
From Wikipedia
The Chocolate Hills are a geological formation in the Philippine province of Bohol. A minimum of 1,260 hills, and possibly over 1,776, spread over an area of more than 50 square kilometers (20 sq mi). They are covered in green grass that turns a chocolate-brown during the dry season, hence the name.