Heuan Hinh Stone House, also known as Ban Dong, is a historical and archaeological site located in the Savannakhet Province of Laos. This prehistoric site is noted for its large standing stones, similar to those found in other parts of the world like Stonehenge. The site is believed to date back to the 9th century and is attributed to the ancient Khmer civilization that once thrived in this region. The stones are thought to have been used for astronomical purposes or as part of religious rituals. The Heuan Hinh Stone House features a central stone slab surrounded by smaller stones in a circular arrangement, and nearby are remnants of other structures that were possibly part of a larger complex. Visiting the site offers a glimpse into the mysterious past of Laos and the ingenuity of its ancient inhabitants. Visitors can explore the grounds and enjoy the peaceful rural surroundings, where the stones stand as silent witnesses to millennia of history. The site has garnered attention from archaeologists and travelers alike, seeking to understand the cultural and historical significance of these megaliths amidst the landscape of Southeast Asia.