Colombia's Amazon port, where three countries meet on the river and the jungle starts at the runway.
Boat to Puerto Nariño
Two hours upriver to a car-free village — the Amazon's front porch.
Pink dolphins at Lake Tarapoto
Dawn or dusk, they surface around the canoes.
A night in a jungle lodge
Caiman eyes in the flashlight beam, howler monkeys for an alarm clock.
Tres Fronteras
Stand where Colombia, Brazil and Peru share the river — dinner in another country.
Parrots at Parque Santander
Every sunset, thousands of loros scream the plaza's trees full.