Northern Laos has it all. You can cruise the Mekong, climb to mountaintop ethnic villages, explore hidden caves and waterfalls, and uncover Laos’ ancient past. Culture vultures can flock to Luang Prabang’s UNESCO World Heritage attractions, with nature tours in the area and surrounding provinces. Closer to Vietnam, Laos presents the heart of the Lao revolution in Houaphanh and ancient sites that survived the bombs in Xieng Khouang. Behold the Final Frontier in Northern Laos.