Visit the Tsodilo Hills

Tombs of the pharaohs near Luxor.

Parthian desert city whose temples fused Greek, Roman and eastern styles.

Saudi Arabia's Nabataean rock tombs.

One of the world's oldest cities.

The "museum without walls": grassy royal burial mounds, the Cheomseongdae observatory and Silla-dynasty treasures across the town.

Ceremonial capital of the Persian Empire.

Xi'an's buried army of clay warriors.

Boulder-strewn ruins of the Vijayanagara empire along the Tungabhadra river.