ARCHAEOLOGISTS have discovered the eerie remains of an ancient underground city in Iran thought to be from around the time of Jesus.

The groundbreaking find near the city of Samen consists of subterranean tunnels connecting 25 large rooms that served as houses.

14 The underground city at Samen in Iran took over ten years to unearth Credit: IRNA / Abdollah Heidari

14 Archaeologists found around 60 human remains Credit: IRNA / Abdollah Heidari

14 The subterranean settlement contains 25 rooms that act as houses Credit: IRNA / Abdollah Heidari

14 Tunnels connect the different houses at the site Credit: IRNA / Abdollah Heidari

14 Remains were found in nine of the 25 rooms Credit: IRNA / Abdollah Heidari

Amazed boffins also unearthed the remains of 60 people in nine of the carved-out cavities — which have taken twelve years to excavate.

And work is continuing on the excavation site 250 miles from the capital Tehran leaving the possibility of more discoveries.

​Ali Khaksar, from Iran's Organization of Cultural Heritage, Handicrafts and Tourism, said the underground settlement is believed to be around 2,000 years old.

14 Digging at the site began in 2005 Credit: IRNA / Abdollah Heidari

14 The site is situated around 250 miles from the capital Tehran Credit: IRNA / Abdollah Heidari

14 The ancient city is thought to be around 2,000 years old Credit: IRNA / Abdollah Heidari

14 Boffins are continuing excavating the area in the hope of finding more rooms Credit: IRNA / Abdollah Heidari

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It comes after experts last month found a 12th Century habitation carved into a mountain in central Iran.

And in February an excavation in the south of the country led to the discovery of what is believed to be an ancient observatory dating back to between 224 and 651 AD.

14 Archaeologists found 25 rooms connected by tunnels Credit: IRNA / Abdollah Heidari

14 Digging is continuing 12 years after work first began at Samen Credit: IRNA / Abdollah Heidari

14 Skulls belonging to around 60 people were found at the site Credit: IRNA / Abdollah Heidari

14 Archaeologists believe the settlement is around 2,000 years old Credit: IRNA / Abdollah Heidari

14 The remains of an ancient inhabitant of the city lie curled up on the ground next to a pot Credit: IRNA / Abdollah Heidari

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