The Grass-Covered Mounds In Washington That Still Baffle Scientists To This Day

If you’re familiar with Thurston County, you may have heard of the Mima Mounds. The Mima Mounds Natural Area Preserve is located about 20 miles south of Olympia, and it’s a nice, peaceful place to hang out and stretch your legs. It also happens to be one of Washington’s greatest mysteries.

Do you have any theories on Washington’s Mima Mounds?

Address: Mima Mounds Trailhead, 13549 Mima Rd SW, Olympia, WA 98512, USA