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

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

The glowing blue Nymphaeum of Emperor Tiberius.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.

The largest library in Latin America owes its existence to an Old World earthquake and a Napoleonic invasion.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

This amazing oasis of art and plants is hidden on the outskirts of Marrakesh.

This 16th-century Moroccan fortress-turned-armory museum offers prime views of the historic quarter in Fes.

Rocky Atlantic beach home to a stunning stone arch.

Exploring the wilder, more passionate sibling of Erg Chebbi feels like discovering a secret sun-kissed planet from another galaxy.

This former royal palace with gorgeous gardens became the first museum in Morocco.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

God's Saharan sandbox of wrath.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The other side is actually green.

A Moroccan getaway in the mountain range that plays the Himalayas' stunt double.