Khao Yoi Cave

Caves and temples usually come as separate outings in Thailand. Here they're the same thing. The chambers inside this limestone hill in Khao Yoi District hold Buddha images and sacred objects set among the rock, and light drops in through natural openings above, which is what most people come away talking about. It's still an active place of worship, so you'll see locals making merit alongside the handful of travelers who bother to make the trip out.

That's the appeal, really. It doesn't get the crowds that the bigger Phetchaburi and Hua Hin temple stops pull, so you can stand in one of the chambers and actually hear the place. If you like geology as much as gilt, or you just want an hour somewhere calm, it earns the drive. If you need polished visitor facilities and an interpretation center, it isn't that.