Antiquities and Archaeology Italy

Ancient tunnels in Rome reopen to the public

The network of underground passageways beneath the Baths of Caracalla is also home to the largest temple of Mithra in the Roman Empire

The Mithraeum at the Baths of Caracalla

Few people have ever visited the long network of underground tunnels under the public baths of Caracalla, which date back to the third century AD and are considered by many archaeologists to be the grandest public baths in Rome. This underground network, which is due to be reopened in December, is also home to a separate structure, the largest Mithraeum in the Roman Empire, according to its director Marina Piranomonte. The Mithraeum has just reopened after a year of restoration work which cost the city’s archaeological authorities around €360,000.

To celebrate the reopening, Michelangelo Pistoletto has installed his conceptual work Il Terzo Paradiso (the third heaven), which he first presented at the 2005 Venice Biennale, in the gardens surrounding the public baths. The work, made of ancient stone fragments and pieces of columns arranged in a triple loop, represents the harmonious union of the natural and technological worlds, according to the artist. It will be on view until 6 January 2013.

Mithraeums were places of worship for initiates of the religious cult of Mithraism, which was centred around the Persian god Mithra and practiced throughout the Roman empire from around the first to the fourth centuries AD. A Mithraeum would usually exist underground, either in a cavern or beneath existing buildings, and was traditionally dark and windowless.

The conservation problems began when skylights were installed. The presence of sunlight coupled with the circulation of air altered the underground microclimate and caused algae to grow on the walls as well as water gathering in the 25 metre-long central hall. During the works the skylights were sealed shut, a collapsed vault was restored and the walls and flooring were cleaned. A lighting system was also been installed to compensate for the closure of the skylights.

The Mithraeum was discovered a century ago and was almost entirely devoid of decoration. Only a small and poorly conserved fresco of Mithra remained, although the site had other significant features including the fossa sanguinis, a two-and-a half-metres-deep square pit in which new initiates would be lowered to receive the blood of a specially sacrificed bull.

The Mithraeum is due to be connected with the other branches of the underground network to form a single visitors route, although two further adjacent spaces have still to be restored before this can happen. Restoration work is expected to take around two more years.


Michelangelo Pistoletto's Il Terzo Paradiso installed at the Baths of Caracalla
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Comments

17 Apr 14
20:58 CET

RIVA, HOLLAND

I long to see these tunnels- I should almost say -'again'....for ...I always believed I have worked in the Caracalla Baths as a servant, in a past life, during the second half of the 3 th century....

28 May 13
17:5 CET

BRENDAN LONG, CURTIN

So has anyone actually done it yet. Brendan

29 Nov 12
20:6 CET

AMANDA DOWD, VENCE, FRANCE

This is exciting news. I look forward to an entirely different view of ancient Rome! Thank you for this article.

27 Nov 12
14:59 CET

KIP SUDDUTH, PHOENIX

Anything Roman takes me back to the eternal city where I apprenticed under Manlio in the 1970's. I hope to read of further events ancient and artistic.

27 Nov 12
15:0 CET

ALEX ANTE, COVINGTON, KY

I've been to Rome, visited some of the catacombs, a couple bath houses. This is however different. More structured underground, in tact, and beautiful. It is increadible these have survived since 200 AD!

25 Nov 12
0:42 CET

ANN BROWN, WOODLAND CA

Where does one go, whom does one contact to gain admittance to these tunnels and the mithraeum?

23 Nov 12
20:2 CET

STANLEY, CHIANGMAI, THAILAND

I love information and stories about ancient Rome. These articles are so very interesting. Thank all of you who make it possible for me to read about that time.

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