Welcome to Ulaanbaatar, Mongolia’s bustling capital—and the most polluted city in the world. From thick smog to vibrant culture, our first day is an eye-opening experience. Discover what life ...

Ulaanbaatar, the capital of Mongolia, holds the title of the world’s coldest capital city, with winter temperatures frequently plummeting as low as -40°C and sometimes even as low as -50°C.

WASHINGTON, Feb. 27 (UPI) --Last week Mongolia signed the official agreement with the UN Convention to Combat Desertification (UNCCD) to host COP17 in its capital, Ulan Bataar, in 2026.