Pedra Do Bonito
Pedra do Bonito means "Beautiful Stone"—and it truly lives up to its name. From the main park entrance, you hike up through the jungle, where you might spot little monkeys along the way. At the top, you're rewarded with stunning views over Rio. Sometimes, you'll even experience a mysterious, foggy atmosphere as clouds sweep across the mountain.
We spent an entire afternoon there, and it was absolutely amazing. It's easy to get there with an Uber. On your way back, just walk a bit downhill from the main entrance (where you have to sign in), and you'll find signal to call an Uber again. Highly recommended!