What is the most interesting festival in the world?
What is the greatest festival in the world?
1. Carnival, Rio de Janeiro, Brazil. An extragavant display of feathers, samba, and uncontrollable joy, Rio's Carnival is the undisputed champion of festival-mania. Thousands of vibrant costumes, pulsating samba rhythms, and electrifying parades transform the city into a dancing, singing vortex for five days.