A market for witches is hidden within a train station.

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

A Christian monastery stands on what was once a holy Incan temple.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

An Inca spa, military outpost or maybe… both?

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Death rituals and sacrifice inside a Peruvian megalith.

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

The final resting place of the liberator of Argentina is guarded around the clock by two soldiers.

The house of a former Argentinian president stands protected within a large glass case.

With its vast selection of books, comics, and records, this nearly 70-year-old open-air market always rewards the patient browser.

With over 10,000 lights, this engineering marvel lights up the city after dark.

Monks in the empyreal Alazani River valley have preserved their 1,000-year-old winemaking tradition.

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

Ancient rock-hewn town that witnessed key events of Georgian history.

Huge stairway leads to this massive gallery.

A geological oddity topped with a 2,000-year-old pagan temple.

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.