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

Huge stone depressions which may have acted as an Incan agricultural experiment.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

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

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

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

An otherwise ordinary park with a dark past.

This commanding mausoleum holds the remains of Muhammad Ali Jinnah, the founder of Pakistan.

A city entirely devoted to illegal gun production.

Space-age minarets towering over Islamabad.

Tibetan-influenced mountain fortress in Northern Pakistan.

One of the last surviving ancient Buddhist sites in the region, it escaped the brunt of several Hun invasions thanks to its remote location.

A mere stone's throw from Islamabad exists a spectacular display of three millennia of humanity's progress.

A 17th-century mosque that was used for war more than worship.

What was once supposed to be the symbol of a shining Afghan future is now a bombed-out ruin.

This monument honors the life of a long-suffering lion whose story captivated the world.

This magnificent blue mosque in Afghanistan is surrounded by thousands of white doves.

Rock-cut chamber at top of an outcroup, reached by a mountain stairway of forty steps.