Someone passed along a link to the city’s aerial mapping application, which is better than the USGS/Terraserver maps because they’re:
– higher resolution, and zoomable to a ridiculous degree
– newer — about a year old
– and taken from a low-altitude airplane, not a satellite, so they have a weird SimCity Classic-like angle to them.

(It starts with a main-streets map; zoom to about 2×2 mile and the photos start to show.)

Here’s one of the ’60s amoeba-shape parks in Sandburg Village, whose angles have been considerably softened in recent years: