This Tassili N'Ajjer Algeria travel guide reveals Earth's greatest prehistoric art gallery: ✓ Neolithic Masterpieces: 15,000+ cave paintings including the famous "Crying Cows" and "Great Martian Gods" ✓ Alien Landscapes: Forest of stone pinnacles at Tadrart Rouge and eroded "stone forests" ✓ UNESCO Dual Status: Recognized for both cultural and natural significance ✓ Tuareg Culture: Experience nomadic traditions with Azjar guides ✓ Adventure Trekking: Multi-day 4x4/camel expeditions from DjanetPro Tip: Visit October-April for cooler temperatures. Full moon nights transform the rock formations into silver sculptures.