Oregon is famously the only U.S. state with a flag that features a different design on the front and back. It also has the deepest lake in the country and is the setting for the famous cartoon town of Springfield. The Simpsons’ Hometown: Matt Groening, the creator of The Simpsons, grew up in Oregon and named the t.v. family’s hometown after Springfield, Oregon. Crater Lake: Located in southern Oregon, Crater Lake National Park contains the deepest lake in the U.S., reaching a staggering depth of 1,943 feet. It was formed by the collapse of the volcanic Mount Mazama. Different Flag Designs: According to Oregon Essential, Oregon’s flag is totally unique. The front of the navy blue flag features the state seal, while the reverse side shows an image of a beaver, which is the state animal.