The festival known for its massive street parties and vibrant colors in Rio de Janeiro is Carnival. This iconic event features samba parades, exuberant costumes, and energetic music, attracting millions of attendees each year. The celebration transforms the city into a lively, colorful spectacle, emphasizing Brazilian culture and inclusivity. Carnival reflects the nation’s rich history, blending African, indigenous, and Portuguese influences, making it a unique expression of Brazilian identity.