Melissani Cave or Melissani Lake, on the Island of Kefalonia | Ionian, Greece
Tongariro Crossing, New Zealand - The crossing spans the length of Mt Tongariro (19.4Ks) and takes about 7-9 hour.
Passage from The
ice cave on the frozen lagoon of the Svinafellsjokull glacier in Skaftafell, Iceland
high ice cave on the frozen lagoon of the Svínafellsjökull glacier in Skaftafell, Iceland