London is one of the world's leading tourism destinations, and the city is home to an array of famous tourist attractions. London attracts almost 15 million international visitors per year, making it the world's most visited in terms of international visits. London is home to many tourist attractions that are known worldwide. Some of the most popular include the many museums located in the city, many of which offer free entry. The British Museum holds seven million exhibits that not only have to do with London, but Ancient Egypt, Greece and Rome, etc. Popular exhibits include the Elgin Marbles, the Rosetta Stone, 'Ginger', the world's oldest mummy, Lindow Man, etc. The British Museum is open seven days a week and is free.