A network of ancient Egyptian tombs built into the cliff face along the Nile.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.