Holiup

PolandCoalcománIsle of ManFrench PolynesiaNorth-AmericaremotearchaeologyLuxembourgLoyalty Islandsnordic skiinghigh altitudepolarAntarcticabeachoutdoorDemocratic Republic of the Congo

caves at Hinteregg, Switzerland

Baptist Cave

20km

Täuferhöhle7

Täuferhöhle6

Täuferhöhle5

Hell grottos

29km

Höllgrotten Baar lower cave 20201015

Höllgrotten 09

Höllgrotten 05

Round Lime Formations Hell-Grottoes

Water boundary

Undewater formations Baar