This area is pretty much the entire exhibit, the turtles are raised here from eggs until they are large enough to avoid invasive predators and then be released. It is nice to get a new herp enclosure because WPZ strongly lacks in ectotherms and seems to have little interest in a reptile house.
Is the 'Taiga Mural' still inside the Tundra Center? If so, it would be just to the right of the Western Pond Turtle exhibit. Here's a photo of mine from 2010: