Frasassi Caves, Cave system in Italy.
The Frasassi Caves are an extensive karst cave system in the municipality of Genga, Italy.
Discovered in 1971, the caves have been open to the public since 1974.
The caves are a popular tourist attraction and have been featured in various forms of media.
Guided tours are available for visitors to explore the caves.
The Frasassi Caves are home to a unique ecosystem, including several species of bats.
Location: Genga
Length: 5000
Website: frasassi.com
Source: Wikimedia