Visit the Tash Rabat caravanserai

Sanctuary of Apollo on the slopes of Mount Parnassus — home of the ancient oracle.

Roman mountain town with some of North Africa’s finest mosaics.

Sunken Byzantine reservoir under Istanbul, its columns rising from black water.

Colonnaded temple in the middle of Luxor, best at night when the pharaonic statues and obelisk are floodlit.

Remote 65-metre brick minaret, alone in a river gorge since the 12th century.

One of the six largest Roman amphitheatres still standing, with all four side towers intact, used for concerts and film festivals.

Exceptionally preserved Roman provincial city.

The world's second-largest alpine lake.