A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

This is the birthplace of Vlad the Impaler Vlad III Dracul.

This massive underground salt mine now holds a sci-fi theme park in its depths.

A fortress-like granary that has been continually in use for more than nine centuries.

A beautiful oasis town dating back to the Roman period still serves as reprieve from the brutal summer sun in Libya.

In the 16th century, a Franciscan monk pulled off a construction miracle by building a Roman-style aqueduct to save the town of Otumba, Mexico, from certain death.

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

Despite a history of destruction, this former citadel survives to document Afghanistan's oft overlooked history.

Museum dedicated to overthrowing the Soviets, complete with diorama of Soviets being beaten to death with shovels.

200-foot-high minaret and only remnant of Afghanistan's lost city of the Turquoise Mountain.

Splashes of blue in an otherwise monotonous lunar landscape.

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

Highly unusual subterranean stupa and adjacent cave monastery.

Once an impressive link to Afghanistan’s Buddhist past, now a sad reminder of intolerance towards other cultures.

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

The abandoned palace stands as a wounded but proud beacon of Afghan hope.

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

Space-age minarets towering over Islamabad.

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

These stairs were built to accommodate royals mounted on elephants.

A perfectly restored 17th-century hammam in the heart of Lahore.

On the Pakistan-India border the militaries perform an elaborate theater of aggression each and every night.

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