Ice cave in the Skaftafell National Park in Iceland. Ice caves collapse and new ones form as each glacier grinds slowly towards the sea. Local guides can help you (without dying) find one. (Visit Skaftafell National Park in Iceland.
Portland's McMenamins Kennedy Elementary School is now one of the world's most incredible hotels
The Wishing Well glows blue-green at Luray Caverns, Virginia; originally called Luray Cave, which is a large commercial cave just west of Luray, Virginia, USA. Discovered in the Caverns are in the Shenandoah Valley just east of the Allegheny Range
Lake Superior Ice Caves on Grand Island, just off the shore in Munising, Michigan. A short walk from Sand Point Beach across frozen Lake Superior will leave you at the base of ice curtains more than 30 feet tall and stretching hundreds of feet wide.
Water & Ice, Donut Falls, Utah, USA Water from Donut Falls seeps through a hole in the cave ceiling. The water freezes through the night and thaws through the day during winter. Beautiful Image by - Preston Rowlette
The cruise tour to the caves starts from Albufeira Marina in the city of Albufeira. During the cruise you will have the opportunity to discover fantastic caves such as Cathedral cave and other - Portugal (via Benagil Cave, Algarve, Portugal