Naryn-Kala Fortress, Derbent, Dagestan

If you're into history, this ancient fortress in Derbent, Dagestan, is a must-visit. The views of the Caspian Sea are pretty stunning, and it's a great spot to learn about the region's rich cultural heritage. I've spent hours exploring the medieval stronghold and taking in the sights. From the imposing walls to the ancient artifacts on display, Naryn-Kala Fortress is a treasure trove of history and culture.