Breathtaking, intricate, mysterious and massive. Most caves could be part of a fairy tale world or a mystery movie.The different types are limestone caves, lava caves, sea cave and ice caves. When is the best time to visit a cave?

Postojna Cave

With over 1 million visitors each year, the amazing Postojna Caves are Slovenia’s most popular tourist attraction. Read our detailed tips about the…

Mammoth Cave National Park

Mammoth Cave National Park is a truly amazing year-round destination. Read our complete season guide below and scroll down even further if you're…