On-A-Slant Village is a historic site located in North Dakota, representing a Mandan Native American village. It dates back to the 18th century and features unique earthlodges, which are dome-shaped structures made from earth and grass. The village is situated along the banks of the Missouri River, providing a strategic location for trade and agriculture. The site is significant for its archaeological findings, which offer insights into the Mandan culture and their way of life. Visitors can explore reconstructed earthlodges and learn about the traditions, social structure, and daily activities of the Mandan people who once inhabited the village.