🏛️ Lemmon Petrified Wood Park & Museum

The Lemmon Petrified Wood Park & Museum is a roadside attraction located off U.S. 12 in Lemmon, South Dakota, which features large outdoor sculptures created out of Mesozoic petrified wood. It was created in 1933 by Ole Quammen, a former mayor of Lemmon. Besides the outdoor park, the site has a museum, also built out of petrified wood, which hosts smaller collections of fossils. It was listed on the National Register of Historic Places in 1977 as the Lemmon Petrified Park; when dedicated, it claimed to be the largest petrified wood park in the world. The park and museum, which do not charge admission, are open during the summer months between Memorial Day and Labor Day.