Caves in Russia
AllTowersWaterfallsVolcanoesGeysersMountainsSki resortsCity parksMud VolcanoesAttractionsBaysNature reservesZoosCable carsQuarriesConcert hallsFortressesRoutesLighthousesBridgesMuseumsCapesLakesMonumentsParksCavesRuinsCliffsCathedralsTheatersTheme parksShopping mallsStreetsTemplesEthnoparks
Add a place
Cave in Ruskeala
Ruskeala sinkholeThe Ruskeala sinkhole is a rock sinkhole formed by explosions, which floods in the summer, forming an underwater lake. In winter, the water freezes and is...
Help us make your travels better
Share an interesting place or add information about your business