The Vajont Dam (or Vaiont Dam) is a disused dam in Italy, which was completed in 1959. On 9 October 1963, during initial filling, a massive landslide caused a man-made megatsunami in the lake in which 50 million cubic metres of water overtopped the dam in a wave 250 metres (820 ft) high, leading to 1,910 deaths and the complete destruction of several villages and towns.
Riese is the code name for a construction project of Nazi Germany in 1943–1945, consisting of seven underground structures located in the Owl Mountains and Ksiaz Castle.
The haunting buildings of the Vallone dei Mullini, or Valley of the Mill, in Sorrento, Italy were only abandoned in the 20th century, according to Atlas Obscura.
The Leaning Tower of Pisa is the campanile, or freestanding bell tower, of the cathedral of the Italian city of Pisa, known worldwide for its unintended tilt to one side.
Civita Di Bagnoregio was founded by Etruscans over twenty-five hundred years ago but has seen its population dwindle to just fifteen residents over the course of the 20th century.
Christ of the Abyss is a submerged bronze statue of Jesus Christ, the original of which is located in the Mediterranean Sea off San Fruttuoso between Camogli and Portofino on the Italian Riviera.
The Colosseum or Coliseum, also known as the Flavian Amphitheatre is an elliptical amphitheatre in the centre of the city of Rome, Italy.
Craco is an abandoned comune and medieval village located in the Region of Basilicata and the Province of Matera in Italy.