These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

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

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

This stone complex marks the urban center of a lost civilization.

A market for witches is hidden within a train station.

The highest tropical mountain range in the world is in Central Peru, home to a vast array of exotic and quirky plants and animals.

A remarkable geological formation resembling a forest made of stone.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.