After appreciating the natural of beauty of Costa Rica and its rainforests above ground, this activity gives you the opportunity to explore what’s beneath the earth. A certified nature guide will take you on underground trails that lead through grottos and chambers on this half-day spelunking adventure. Enter a labyrinth of ancient underground rivers and sea beds, all accessible now after being hidden for thousands of years. Some of the most common rock formations inside the caves are stalactites and stalagmites, and yet they create the most amazing shapes. A great colony of bats inhabits the caves, as do a multitude of spiders and crabs. Experience a very different side of Costa Rica and get ready to get wet and dirty as you explore the astounding underground world.