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

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.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Bolivia's needle-like rock formations.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Enchanting cave with a river crashing through the roof.

A huge, bustling local market in Panama City.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

A mouldering Colombian bull ring stands as a reminder of the country's complicated relationship with a brutal sport.