The lecture notes are here and the live chat is here.
Here is a diagram to explain the property at issue in Lucas.
And here are some photographs of the property at issue in Palazzolo.
Lake Tahoe is a large freshwater lake on the border of Nevada and California.
This is the land at issue in Severance v. Patterson:
This is Carol Severance, the plaintiff in the case.
You can also learn about the recent Texas Supreme Court opinion, Severance v. Patterson, concerning easements on the beach of the Gulf Coast here and here.