Cusco
It was the capital of the Inca Empire, from there you can reach Machu Picchu 'Inca's lost city' in the top of the mountain. In the city you can visit historical churches, museums and try traditional dishes. Although is a very famous place and tourist destination, there is extreme poverty.
Paracas
It is in the Ica region. City surrounded by the sea,beautiful natural wetlands house of flamencos and other birds. Stay with a family and get to know more about their culture. Here you can help with a project that cleans the beach, the sea and teach some english.
Puerto Maldonado
Puerto Maldonado is in the jungle of Peru near of the Bolivian and Brazilian border. You will contact indigenous people. It's a city near to the countryside close to two big rivers, flora and fauna are everywhere. Here you can work with a project that protects the environment and also help in the family farm.