Traveling Niger to the old trading town of Zinder on the southern edge of the Sahara / Sahel as I turn 25.
Markets
Djenne is famous for its surreal mud mosque that dominates this ancient trading town, once an important stop on the Trans-Saharan route and today's Monday Market is also a must-see.
Visit markets, see tribes, hike the weird-humped Taka Mountains and explore the ruined Khatmiyah Mosque.