Devils Tower National Monument, Wyoming (1949)

Rising dramatically from the Belle Fourche River valley, the towering monolith of Devils Tower dominates the Wyoming prairie with its sheer, gray faces and striking columnar cracks. Formed millions of years ago by molten rock that cooled deep beneath the earth, the exact process that created this iconic shaft remains a lively debate among geologists. Designated the nation’s first national monument in 1906, the site offers a vivid lesson in natural history, where weathered stone shifts hue from bright daylight to a deep, sunset‑kissed purple.

Today visitors can explore a network of well‑marked trails that wind around the base and up through a surrounding landscape of pine forest, grassland, and a thriving prairie‑dog town. A modest museum at the parking area brings the tower’s geology, cultural legends, and wildlife to life through displays and specimens. Along the paths, mule deer, hawks, and a surprising array of plants provide a living snapshot of the ancient West, inviting curious minds to linger and learn.