Tourism in Pakistan is a growing industry. In 2010, Lonely Planet termed Pakistan "tourism's 'next big thing'". The country is geographically and ethnically diverse, and has a number of historical and cultural heritage sites. Condé Nast Traveller ranked Pakistan The Best Holiday Destination for 2020 and also declared it the third-highest potential adventure destination in the world for 2020. As security in the country improves, tourism increases; in two years, it has increased by more than 300%. The Pakistani government had launched online visa services for 175 countries and 50 countries were offered visa on arrival, making visiting Pakistan easier. The country received an influx of travel vloggers, who promoted the characteristics of the country, such as in the Northern Pakistan, like Hunza and Skardu.