47 Cool and Unusual Things to Do in Portland - Atlas Obscura

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47 Cool, Hidden, and Unusual Things to Do in Portland, Oregon

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9 of Oregon’s Most Fascinating Holes and Hollows

Along with the rest of the Pacific Northwest, Oregon has been shaped by volcanic activity. Active volcanoes, Mount Hood among them, dominate the skyline, and the city of Portland was built atop an extinct volcano. Over tens of thousands of years, these geological hotspots have left many holes in their wakes, including deep craters, narrow canyons, and subterranean lava tubes. Here are a few of the most intriguing voids that Oregon has to offer. As the pandemic continues, we hope this virtual trip helps you explore America’s wonders. If you do choose to venture out, please follow all guidelines, maintain social distance, and wear a mask.

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Waves crash against the rocks near Thor's Well in Oregon.


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