The Plain of Jars is an archeological landscape in Laos featuring thousands of stone jars scattered across numerous sites. The visitor center in Phonsavan serves as a hub for information and guided tours to the jar sites. Accessibility can be challenging due to uneven terrain and unexploded ordnance (UXO) in some areas, so sticking to marked paths and hiring a local guide is strongly advised for safety and to gain historical context. Solo exploration is possible but not recommended due to safety concerns. The dry season (November to February) is ideal for visiting. Expect to spend a few days to explore several jar sites, with costs varying depending on transportation and tour options; budget around $50-$100 per day. Due to UXO risks, always follow local advice and tour guide instructions.