Prepare to get wet and dirty, walking and crawling through rivers and waterfalls. These Costa Rican caves have been sculpted by an underground river, so there will some great rock formations to see.
A great tour for the novice spelunker. Walk through the labyrinth of limestone caves on lit walkways. For smaller groups, guided tours are also available for a bit more adventure.
Visit not only a cave, but the historical past of Belize. These caves offer a number of ancient Mayan artifacts.
A strenuous spelunking tour through Jewel Cave, South Dakota. They supply the hardhat, you supply the courage to trek through the second longest cave in the world.
There’s more to Hawaii island than sunny beaches. Kula Kai cavern tours have something for the braver-at-heart. You’ll need to reserve ahead for one of the tours.
A wild cave in Texas where you can take a short but physically-demanding spelunking tour. Prepare to get dirty.
A whole range of cave tours, with enough variation to challenge even an experienced caver.
Explore the caves at Mole Creek, Tasmania. Tours for beginners have walking paths, but wild cave tours are available with a private guide.