This course will provide you with an overview of Virtual Reality (VR), Augmented Reality (AR), and Mixed Reality (MR). With the advancements that have been made in providing reality-based instruction, this course will help instructors to stay current with the latest developments in the different types of realities that are available as instructional supports. This course will provide working definitions for each of the realities, and information pertaining to various components of teaching online using these realities. Benefits, challenges, and best practices will also be discussed. Real-life applications of VR, AR, and MR, along with various equipment that may be utilized, are provided.