Op-art architecture designed for happiness.

The final resting place for the remains of 143 Habsburg royalty.

Hundreds of mummies in a silent room, some with eerily pained expressions preserved on their faces.

This Peruvian bone silo lined with hanging human skeletons and hundreds of skulls is topped with a remarkable Michelangelo replica.

Ain't no party like a ghost town party.

A colorful Peruvian city of the dead.

With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.

These giant mummies are set ominously into a Peruvian cliffside and topped with real human skulls.

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

The world's fifth tallest waterfall is a spectacular silver chute of water that cuts through the cloud forest in northern Peru.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

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

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

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

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

The remains of Uruguayan hero José Artigas lie beneath a monument in Montevideo’s main square.

The oldest café in Montevideo preserves its history as the city's bohemian hub.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

A beautiful young girl said to have been buried alive in her coffin…

A toxic lake near a volcanic caldera that is home to flamingos and other life.

This stunning mass of ice spans 121 square miles and is still growing.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.