The city known for its annual carnival and colorful parades is Rio de Janeiro, Brazil. The Rio Carnival is one of the largest and most famous in the world, attracting millions of tourists each year. It features samba parades held in the Sambadrome, where samba schools compete in elaborate costumes and performances. The vibrant atmosphere, rhythmic music, and energetic dancing showcase Brazil's rich cultural heritage. The festival typically takes place in February or March, leading up to Lent.