Selected papers from sessions of the Eighth International Conference on Case Histories in Geotechnical Engineering, held in Philadelphia, Pennsylvania, March 24–27, 2019. Sponsored by the Geo-Institute of ASCE. This Geotechnical Special Publication contains 30 peer-reviewed papers on embankments, dams, and slopes. Topics include: monitoring, evaluation, and rehabilitation of dams and levees; deformation analysis; landslides; monitoring, failure assessment, and rehabilitation of embankments; slope stability; and case histories. GSP 305 will be of interest to practitioners, academics, and policymakers in the areas of dams, levees, and embankments.