Racehorse Creek (wa100.dnr.wa.gov)Racehorse Creek, a small waterway near Deming, Washington, is a must-see destination for fossil aficionados. The area is known for its fossil beds—50 million-year-old leaf fossils, including sycamore and swamp cypress, await dedicated collectors. In addition to abundant fossils, the creek boasts the impressive Racehorse Falls, a 169-foot-tall multi-stage waterfall that’s a short 0.6 mile hike to reach.