Djúpalónssandur is a stunning black sand beach on the Snæfellsnes Peninsula in Iceland, known for its unique geological formations and lifting stones that test sailors' strength. Visitors can hike to the beach, admire the rugged landscape, and even try lifting the historic stones themselves. The beach also features two beautiful lagoons, perfect for swimming and bird-watching. Just remember to respect nature and leave the pebbles where they belong!