The damaged sites include churches, historic buildings, museums and monuments. A UNESCO spokesperson said they fear more sites will be added to the list, as the group works to verify the destruction.
Supporters say the tunnel will reduce noise and hide cars for visitors to the prehistoric landmark. Opponents warn of possible damage to the site which archaeologists continue to study.
A U.S.-funded conservation project is shoring up the brick walls of the ancient city. The hope is that Babylon will qualify for UNESCO World Heritage status.
Two years ago, UNESCO gave Venice and Italy a deadline to figure out a way to manage the harmful effects of tourism or risk being placed on a World Heritage in Danger list. The deadline has passed.
An exhibit at the Colosseum features life-size reconstructions of ancient works that ISIS damaged or destroyed in Iraq and Syria. "It is a universal heritage," says curator Francesco Rutelli.
Researchers using satellite images and drones discovered a structure the size of an Olympic-size pool near the center of the ancient city in Jordan. But what exactly it was used for remains a mystery.
The head of Syria's antiquities agency was in Italy making an appeal for help to stop the destruction of his war-torn country's cultural heritage at the hands of Islamic militants.
At least 70 ancient sites in the Kathmandu Valley were damaged or destroyed in last month's quake. Archaeologists and others are trying to protect and recover as much as they can, as fast as possible.