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Photo: Duffusmcduff, CC BY-SA 4.0 via Wikimedia Commons
A publicly-available observatory on the hills overlooking Goldendale.
Goldendale Observatory State Park Heritage Site is an educational facility on the northern side of Goldendale, Washington, notable for its unusually large public telescope. The state park occupies five acres (2.0 ha) atop a 2,100-foot (640 m) hill.
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This road, owned by the Museum of Art, is open publicly for non-motorized traffic. While it is best known among downhill skateboarders for its steepness, smooth pavement, and lack of traffic, it is also popular for cycling and roller skating. Walking along the road, with its steep grade and many curves, offers a workout and excellent views of the Columbia River Gorge. Watch out for people coming down the hill, however, as skateboarders have reported speeds in excess of 50mph.
A full-scale replica of Stonehenge in England, built by a Quaker pacifist as a memorial to the local dead of World War I.
A 700-acre camping park in the pine trees of the Simcoe mountains, south of the Yakima valley.
Converted mansion of Quaker entrepreneur Sam Hill. Serves as a nature conservancy as well as art museum.