Carnival may be the world's most famous and biggest party. Carnival is celebrated throughout Brazil and the world though everyone knows that Rio de Janeiro is where's it's centerpiece. Donning costumes made of colorful feathers and sequins, Brazilians and visitors alike dress to samba the night away every year. Costume designers dream up their outfits months in advance and dance troupes spend long days practicing their choreography months ahead of the big celebration. Carnival takes place in March or late February of each year.