Nemi ships, Roman ships museum in Nemi, Italy
The Nemi ships were two Roman vessels, 70 m and 73 m long, built under Caligula and recovered from Lake Nemi in 1929. The museum displays surviving hull fragments, including a long dark wooden hull on a gravel bed and a massive curved hull outdoors on triangular supports, with no full replicas.
Caligula ordered the construction of both watercraft between 37 and 41 CE for the small volcanic lake, which held sacred meaning at the time. Mussolini authorized draining the lake in 1929 to recover the sunken vessels that had rested underwater for nearly 2000 years.
The lake was sacred, so Roman law barred ordinary vessels; the ships were likely ceremonial, tied to Caligula's support of the Isis cult and Diana Nemorensis. The name Nemi comes from the Latin nemus Aricinum, the grove of Ariccia. Visitors today see the surviving hull fragments and the large outdoor timber framework, not replicas.
The museum sits on the shore of Lake Nemi and is best reached by car, as public transport in the area is limited. The exhibition occupies a purpose-built structure that displays the recovered fragments and models of the watercraft.
Both originals burned in a fire during 1944, leaving only fragments and casts to tell the story of these extraordinary watercraft. Lead pipes bearing Caligula's initials are among the few surviving remains available for visitors to see today.
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