Valentin

Valentin

Valentin
Mai multe idei de la Valentin
The world's largest known cave, Son Doong - Vietnam (2880×4320)

The world's largest known cave, Son Doong - Vietnam (2880×4320)

Hang Son Doong - Vietnã

Hang Son Doong - Vietnã

Benagil Beach, Portugal

Benagil Beach, Portugal

Amazing Jungle Inside Hang Son Doong Cave (photo: Ryan Deboodt/David Sprege, Treks) Sept 10, 2013

Amazing Jungle Inside Hang Son Doong Cave (photo: Ryan Deboodt/David Sprege, Treks) Sept 10, 2013

Mammoth Cave - Kentucky, USA / World’s longest Cave system.

Mammoth Cave - Kentucky, USA / World’s longest Cave system.

Mammoth Cave National Park, Kentucky

Mammoth Cave National Park, Kentucky

Mammoth Cave - Grand Avenue, Kentucky = been

Mammoth Cave - Grand Avenue, Kentucky = been

Mammoth Cave National Park, Central Kentucky, USA. The longest known cave system in the world. There are over 400 miles of caves that have been explored.

Mammoth Cave National Park, Central Kentucky, USA. The longest known cave system in the world. There are over 400 miles of caves that have been explored.

Mammoth Cave is the world’s largest cave system with over 300 miles of documented passageways. The cave is so large that many researchers suspect there are hundreds of miles of cave that haven’t even been discovered. Mammoth Cave National Park is sure to make for an exciting day trip as you explore the natural wonder of the cavern and learn about Kentucky cave history.

Mammoth Cave is the world’s largest cave system with over 300 miles of documented passageways. The cave is so large that many researchers suspect there are hundreds of miles of cave that haven’t even been discovered. Mammoth Cave National Park is sure to make for an exciting day trip as you explore the natural wonder of the cavern and learn about Kentucky cave history.

The oldest part of Mammoth Cave in Kentucky was formed 10 million years ago, 9.5 million before Homo sapiens made an appearance.

The oldest part of Mammoth Cave in Kentucky was formed 10 million years ago, 9.5 million before Homo sapiens made an appearance.