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%. In 2018, the British Backpacker Society ranked Pakistan the world's top adventure travel destination, describing the country as "one of the friendliest countries on earth, with mountain scenery that is beyond anyone's wildest imagination". Forbes ranked Pakistan as one of the ‘coolest places’ to visit in 2019. The World Economic Forum's Travel and Tourism Competitiveness Report placed Pakistan in the top 25 percent of global destinations for its World Heritage Sites, which range from the mangroves in the Indus delta to the Indus Valley civilization sites including Mohenjo-daro and Harappa.