To be sure, the landscape is 'different' at every water level. At low levels, features that were hidden underwater are exposed. At high levels, you can take a boat deep into canyons that were inaccessible by foot.
Southern Utah and northern Arizona is full of beautiful landscapes. There are millions of acres of twisting canyons, colorful rock formations, and towering spires. There are those who lament that any piece of it is 'developed' for a road, a town, or a man-made lake; but most of them would not be happy until every facet of human existence has been erased from the Earth.