An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

Sacred Indian temple that’s all monkey business.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

Part shoe store, part sociopolitical art gallery, part zoo.

A preserved oasis with traditional Andalusian-style architecture and beautiful views of the Nile.

The secret room where early Bolsheviks cranked out propaganda fliers on a smuggled printing press.

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

Unusual building appears to be haphazardly built from randomly piled bricks.

Small church on top of a huge rock column.

A museum glorifying the life of Stalin, located in the city of his birth.

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

Underground monastery and fortress.

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

This sanctuary is home to donkeys who finally get to rest after a life of toil.

The city walls of Salé lead to the ruins of this seaside "bastion of tears."

An old airplane engine forms an unusual cairn atop this Moroccan peak.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

One of the few places to grab a beer in Fez is a former British consulate.

The legacy of a Moroccan Jewish community is remembered at this little mouldering cemetery.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.