Nevada January 31, 2024 5:38 pm Why is Las Vegas called ‘Sin City'? The city’s distinctive nickname has its origin in the early 1900s when illicit activities, including gambling and prostitution, became prevalent in Clarks County. US & World Videos 1:06 Helene continues path of destruction into Georgia 2:01 People's Choice Country Awards fashion: Kelsea Ballerini, Miranda Lambert & more 1:06 WATCH: Videos show Hurricane Helene's high winds hitting Florida 0:53 Helene makes landfall in Florida 1:55 Hurricane Helene carrying ‘record-breaking' moisture because of climate change