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.

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

It took 82 years and four different plaques to finally get the story right.

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

The Uros people live on floating reed islands in lake Titicaca.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

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

Giant kites are flown during this Day of the Dead celebration in Guatemala.

Building this tragically pointless stone barrier cost the lives of the prisoners made to build it.

This sacred cave temple is home to thousands of bats and according to legend, a giant snake king.

Hindu temple of the dead home to hundreds of long-tailed macaques.

The Habsburgs' royal collections of art and wonders.

The beautiful baroque library of the Hapsburg empire.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A Nesting Doll of Churches.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

2300-year-old Roman road connecting the empire.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Gargoyle head that brings good luck.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

A war-torn Olympic relic is being overtaken by graffiti and nature.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.