Slovakia – Caves, Sumps & Karst Springs – 9 dive sites: The 22 sumps of Skalistý potok, the 'Water Road' of Demänová, a thermal hourglass sinkhole at Tornaľa – Slovakia's cave diving is exploration, done only by permitted caving teams.
Slovakia – Quarries, Tajchy & Reservoirs – 24 dive sites: Flooded quarries in the Fatra and Spiš, the medieval mining reservoirs of Banská Štiavnica, deep cold dams from Orava to Ružín – and the High Tatra lakes, dived only by permit.
Slovakia – Gravel-Pit Lakes of the West – 16 dive sites: Deep, clear gravel pits a short drive from Bratislava: the Senec lakes with their training bases, 40 m Veľké Košariská and the Danube-plain pits of Žitný ostrov.
