Regensburg in Germany broke a Guinness world record when the local museum Dackelmuseum, known for its collection of dachshund ...

The Grand Canyon holds many world records, but maybe the most uniquely Arizona one is for sunniest city in the world. See ...

All but one of the world’s top 20 most polluted cities last year were in Asia, a new study shows. The majority of these ...

You can't beat a good skyline. From Baku to Toronto and Sydney to San Francisco, let's take a look at some of the most ...

A well-connected metro system is essential for efficient urban transportation, reducing congestion, and providing a ...

I went on an exhilarating trip to Barcelona. If I mention this to friends, they tend to bring up the water-pistol protests.

The countries with the worst air quality included Bangladesh and India, according to an annual report from IQAir.

Chad, in central Africa, is the world’s most polluted country, while California has the worst air pollution in North America, ...