Photo: Andrea Hernández, CC BY-SA 4.0 via Wikimedia Commons
Estádio Olímpico João Havelange, known by its nickname of Engenhão, is a new soccer stadium built for the Pan-American Games of 2007. A modern construction, not as big as Maracanã but still worth a visit for soccer fans. The Botafogo team plays its matches there.
Estádio Olímpico Nilton Santos is a stadium located in the neighbourhood of Engenho de Dentro, in Rio de Janeiro, Brazil. It is owned by Rio de Janeiro City Hall and is the home stadium of Botafogo FR. It is used mostly for football matches and it hosted the athletics competitions at the 2016 Summer Olympics and the 2016 Summer Paralympics. The stadium was built from 2003 through to 2007, opening in time for the 2007 Pan American Games. The stadium was one of the five venues for the 2021 Copa América.
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Museu do Trem
A modest collection of 19th-century engines, train cars used by emperors and presidents, and streetcars.
Parque Estadual do Grajaú
This 55-hectare park preserves some of the original forest and serves as a refuge for a wide range of species including marmosets, bush dogs, guinea pigs, parakeets, vultures, and hawks. The park includes the Pedra do Andaraí, symbol of the area.
If you won't be making it to the Amazon or the Pantanal, this is a good place to see some of Brazil's more exotic creatures.
Estádio do Maracanã
Once the world's highest capacity football venue, it was able to hold nearly 200,000 people. In modern times, the capacity has been reduced because of safety considerations, and the introduction of seating for all fans. It is undergoing renovation, to expand it to hold 80,000. The matches of Rio's football clubs like Flamengo or Fluminense are usually far from full, so go along and watch a game. There is also a Soccer Museum inside.