Devils Tower is a laccolithic butte in northeastern Wyoming, the first U.S. National Monument (1906) and a cultural landmark near Hulett and Sundance.
Presidents have reshaped national monuments under the Antiquities Act, with Trump reducing Bears Ears and Grand Staircase-Escalante, while Biden has restored size and created new monuments, including sites tied to civil rights and Indigenous history. The debate centers on balancing conservation, tribal co-stewardship, and resource development.