Wander freely through one of Central Asia's most ancient and atmospheric sacred sites — a sprawling 200-hectare necropolis inhabited from the 4th century BC to the 14th century AD. Mizdakhan was once the second-largest city in Khorezm, where Zoroastrian and Islamic traditions intertwined over centuries. Explore at your own pace: descend into the remarkable semi-underground Mausoleum of Mazlumkhan Sulu, marvel at the seven-domed Mausoleum of Shamun Nabi, and seek out the legendary "World Clock" — an ancient crumbling wall where, according to local belief, one brick falls each year, and when the last falls, the world will end. Pilgrims stack small pyramids of seven stones nearby to hold back the apocalypse. Nearby, the ruins of Gyaur-Kala fortress — the "Fortress of the Unbelievers" — offer sweeping views across the desert landscape.