Travelers yearning for an adventure off the beaten path need look no farther than the Cazenove + Loyd monkey safari. The 11-day Brazilian trip winds from Rio de Janeiro to Tiradentes and then from Paraty to Sao Paulo, introducing sojourners to the northern muriqui woolly monkeys, an endangered species numbering fewer than 1,000 worldwide. During the excursion, guests will visit the Reserva Particular do Patrimonio Natural Feliciano Miguel Abdala park in the state of Minas Gerais, Brazil, where Harvard Universi…