Results 2 results found Tourists admiring the cave during a boat trip on the crystal waters of Melissani Lake, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe Crystal Caves, North Side, Grand Cayman, Cayman Islands, Caribbean, Central America Iceberg detail in and around the abandoned British research base "W" in Crystal Sound near the Antarctic Peninsula Crystal Caves, Bermuda, Atlantic Ocean, Central America Crystal Caves, Bermuda, Atlantic Ocean, Central America Blue ice texture in the caves in Jˆkuls·rlÛn glacier, Iceland, North Atlantic Ocean Blue ice texture in the caves in Jˆkuls·rlÛn glacier, Iceland, North Atlantic Ocean Crystal Caves, Bermuda, Atlantic Ocean, Central America Blue ice caves in Jˆkuls·rlÛn glacier, Iceland, North Atlantic Ocean Crystal Caves, Bermuda, Atlantic Ocean, Central America Crystal Caves, Bermuda, Atlantic Ocean, Central America The Underworld - Photographs from caves all over the world