One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.

The world's widest single drop waterfall, and the two men who legend says went over its edge in a boat.

This "floating island" plateau sits 7,671 feet above the forest floor.

Massive sinkholes on a mountain in one of the most remote places in Venezuela.

Hub for hallucinogenic Amazon religion.

Henry Ford's failed rubber plantation in the middle of the Amazon rain forest.

This striking, two-toned confluence of rivers is visible from space.

An Amazonian hotel is the ultimate treehouse and provides stilt based accommodation.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

These azure waters were thought to lead to the Mayan Underworld.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

66,000 pieces of art, donated by one of the world's richest men.

Frida Kahlo's childhood home, now a museum of her life and works.

Mexico's astounding mummy museum with "the world's smallest mummy."

A tomb in the shape of a traditional Mexican hat and shawl for the father of modern rancheras.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.

Inside this mountain lies several kilometers of breathtaking caves.

A flooded Mexican cave that hides a river beneath the water.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

This small museum holds a treasure trove of ceramic figures that are either a hoax or proof of dragons, aliens, and dinosaur riders.

The largest cave shaft in the world is home to thousands of birds and popular with BASE jumpers.

One man's swirling six-acre monument of stone.

Extraordinary sculpture garden created by an eccentric English poet.