12 most beautiful lakes in the world

These 12 lakes go to all the right extremes—highest, deepest, clearest—and showcase nature at its most spectacular. Soak up the views from a boat, a cable car, a trailhead, or a castle tower.

Lake Malawi

Home to 1,000 species of fish—estimated to be more than anyplace on earth—Lake Malawi (also called Lake Nyasa) is Africa's third largest lake at 363 miles long and up to about 50 miles wide in spots. Located in a depression 2,300 feet below sea level, it's positioned at the crossroads of Malawi, Mozambique and Tanzania, and supports hundreds of local villages with its rich underwater stock (which is, unfortunately, gradually being depleted due to over-fishing). The lake's southern portion—as well as a bordering nub of wildlife-rich land, Cape Maclear—represents the world's first freshwater national park; it was also named a UNESCO World Heritage Site in 1984. A star of the waters here is the mbuna, a native freshwater fish known for eating directly from people's hands. Bring your snorkel gear—as beautiful as the scenery is, the best part about Lake Malawi is what's swimming beneath you in the crystal clear water.

Peyto Lake

Peyto Lake

Alberta's Lake Louise is the famous one, on all the postcards and posters. But Louise's sister lake 29 miles north along Icefields Parkway, a two-laner that winds 142 miles through the Canadian Rockies, is even more picturesque. Thanks to glacial rock flour that flows in when the ice and snow melt every summer, the waters of Banff National Park's Peyto Lake are a brilliant turquoise more often associated with warm-weather paradises like Antigua and Bora-Bora. For the most dramatic views of the 1.7-mile-long stunner, encircled with dense forest and craggy mountain peaks, pull into the lot at Bow Summit, the parkway's highest point, and follow the steep hike to the overlook.

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