1.9K views · 45 reactions | PART TWO Bastendorff Beach Cave Exploration Coos Bay OR (9/23) (Not the cave on the hill. This one you walk along the cliff by the middle parking lot. There are several caves! | Oregon's Bay Area | Facebook

Caves found on Mars Surface? This formation on the surface of Mars looks like a cave or deep opening, raising many questions. Scientists believe such features could be lava tubes, formed long ago when molten lava flowed beneath the surface. These caves are important because they may protect against radiation and extreme temperatures. Some scientists even think Martian caves could be the best places to search for signs of past life. Mars continues to reveal mysterious features hidden beneath its

3.6K views · 90 reactions | Crazy helictites growing off this formation in a Tennessee Cave #Tennessee #caves | TAG Caver | Facebook