#5 – Przystanek Woodstock
Yet another international music festival, Pryzstanek Woodstock is held each summer in Poland. It is unique from other festivals on this list as it offers free admission and is hosted by the Great Orchestra of Christmas Charity to thank volunteers. The festival includes around 80 acts seen by over 500,000 people. The festival is dedicated solely to rock music and previous headliners include Atari Teenage Riot, Enter Shikari and Papa Roach.