Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

On a small Puerto Rican island, banks of secret naval bunkers lie abandoned and filled with piles of office equipment.

This small primate research island is teeming with playing, fighting wild monkeys.

The world's second largest single-dish radio telescope, once used to contact E.T.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

This giant Christ took first place in South America's religious arms race.