No Turning Back
At Coral Pink Sand Dunes State Park, Utah.
From Utah.com:
Coral Pink Sand Dunes State Park Visitors will wonder at the shifting arcs of crescent-shaped dunes and sift the fine, salmon-colored grains at Coral Pink Sand Dunes State Park. The Park encompasses 3,730 acres of southern Utah's color country. The park itself is breathtaking, with coral-colored dunes, surrounded by red sandstone cliffs, blue skies, and deep emerald forests. This is a photographer's paradise.
The sweeping expanse of dunes is a massive playground for hiking, off-highway vehicle riding, or just playing in the sand. Off-road enthusiasts will find 1,000 acres of play area, and hundreds of miles of trails in the nearby vicinity.