5Ulaanbaatar, Mongolia

Ulaanbaatar, the capital of Mongolia, is the coldest capital city in the world. Winters here are brutally cold, with average temperatures around -24ยฐC (-11ยฐF). Many residents live in traditional yurts, insulated to withstand the extreme weather. The cityโ€™s unique mix of modern buildings and nomadic culture makes it fascinating to explore.