Tonle Sap Lake is the largest fresh-water lake in Southeast Asia. This vast expanse of water is at the heart of Siem Reap’s past and present lure. Cruising through the most popular village, Chong Khneas, you can see floating markets, a school and a bar. Around the lake’s mangrove forests live over 100 different waterfowl. Sunsets on the lake are recommended.