Discover Vietnam, Cambodia, Laos & the Greater Mekong. Take a slow boat down the mighty Mekong past remote jungles, ancient temples and intriguing hill-tribe villages. Get up close and personal with wild elephants in Laos. Trek to secluded waterfalls through Khao Yai National Park in Thailand. Explore magnificent Angkorian temples without the crowds in Cambodia's Preah Vihear Province. In This Guide: Full-color chapter on the region's ancient wonders, from majestic Angkor Wat to World Heritage-listed Lijiang. Border crossings chapter to help plan your adventure, with info on which borders are open and a map with marked crossings. Visit lonelyplanet.com for up-to-the-minute reviews, updates and traveler insights.