Taal Lake is a volcanic crater lake in the Philippines with a rare geology of nested islands and water. Researchers think the crater formed after a series of eruptions between 140,000 and 5,380 B.C. — ...

Kawah Ijen is an active volcano on the island of Java with an extremely acidic crater lake and gas emissions that produce blue flames upon contact with oxygen in Earth's atmosphere. When you purchase ...

The massive caldera of Turkey's Mount Nemrut volcano is split in half, with one side made of solidified lava flows and the other half a deep crater lake. Covered in snow, the summit scene looks like ...

The world is full of strange and fascinating places, but very few of them are tongue twisters. However, that's exactly the case when it comes to a very unique natural wonder that can be described as ...

The Tentative Lists of States Parties are published by the World Heritage Centre at its website and/or in working documents in order to ensure transparency, access to information and to facilitate ...