This city contains Guanabara Bay as well as the Maracana Stadium.
This city contains the Tijuca Forest, the largest urban forest in the world. This city contains Guanabara Bay as well as the Maracana Stadium. Residents of this city are known as cariocas, and it is home to the popular Ipanema and(*) Copacabana Beaches. Its highest point is Sugarloaf Mountain, and the largest favela in the world can be found in this city. That structure, on the Corcovado, is Christ the Redeemer. For 10 points, name this host of the 2014 World Cup and 2016 Summer Olympics, the second-largest city in Brazil.
This city contains the Tijuca Forest, the largest urban forest in the world.
{Rio de Janeiro} [prompt on partial answer]