Silfra is a rift formed in the Mid-Atlantic Ridge – the divergent tectonic boundary between the North American and Eurasian plates – and is…
Slovak Opal Mines are first mentioned in the 15th century and their greatest fame came in the second half of the 19th century when ran by a…
Christ of the Abyss is a submerged bronze statue of Jesus Christ by Guido Galletti, the original cast of which is located in the…
Nemo 33 is an indoor non-chlorinated fresh water facility in Brussels, Belgium.
Laacher See, also known as Lake Laach or Laach Lake, is a volcanic caldera lake with a diameter of 2 km in Rhineland-Palatinate, Germany,…
HMS Maori was a Tribal-class destroyer named after the indigenous Māori people of New Zealand.