Also home to Copacabana beach, for 10 points, identify this second-largest city of Brazil, misnamed because Portuguese explorers mistook its harbor for an estuary.
This city entirely contains Tijuca National Park, which boasts the largest urban forest in the world. This city's edges are home to the infamous slums known as favellas, which are far from its major attractions such as Maracana Stadium. Its other points of interest include (*) Sugar Loaf Mountain and a giant statue atop Corcovado Mountain known as Christ the Redeemer. Also home to Copacabana beach, for 10 points, identify this second-largest city of Brazil, misnamed because Portuguese explorers mistook its harbor for an estuary.
This city entirely contains Tijuca National Park, which boasts the largest urban forest in the world.
Rio de Janeiro [prompt on Rio]