and as the "adventure capital of the world," Queenstown is the ultimate playground for all things outdoors. Whatever your speed, this city has it: hiking (heli-hiking for the deeply venturesome ...

Pennsylvania is home to "Weather Capital of the World" Punxsutawney for its Groundhog Day fame. See what other surprising ...

With more than 9 million residents, Tehran has long dealt with overpopulation as well as air pollution, with the capital being one of the worst-polluted cities in the world. The country's capital ...

Chinese chatbot could threaten the office leasing recovery in San Francisco fueled in part by artificial intelligence firms.

New York City was once the "Oyster Capital of the World." A new art installation explains how regrowing their populations ...

Africa, a continent of immense diversity, history and rapid urbanization, is home to some of the fastest-growing cities in the world. Its largest urban centers are economic and cultural powerhouses, ...

A devastating plane crash this week has drawn Wichita, known as the "air capital of the world" and its aviation roots, into ...

Indonesia's new President Prabowo Subianto plans to spend 48.8 trillion rupiah ($2.99 billion) through 2029 to build the new ...

Sarajevo, the capital city of Bosnia and Herzegovina, declared a state of alert on Wednesday; the concentration of fine particles that afternoon was 47 times higher than the World Health ...