Landscape virtual tour
This is so cool. River Runner is a virtual tour of the US that follows watersheds. On the website, pick a place in the contiguous US and then it will carry you along the creeks and rivers that flow from that place until you reach the ocean. You get a photo-realistic ariel view as if you were in a drone following the rivers and passing through towns and farms. For a fantastic and fantastically long (5,000 km) tour, start almost anywhere in Wyoming. These aren’t really a tour of rivers as much as a way to tour the greater landscape of a continent. — KK