Convinced that Ciudad Perdida (literally ‘Lost City’) was infected with bad energy, the oldest indiginous group in Colombia, the Tyronas, decided to close the city for a few months in order to cleanse it through their ceremonial practices. Then they opened it up for visitors again this fall. We decided to take the one possible route to see the mysterious abandoned town: A week-long transcendent treck through the tropical jungle of Sierra Nevada.