Taal volcano has a unique distinction in the world. It contains the largest island, inside of a lake, which is on an island, which is inside a lake, which is on an island. (got that?) Taal is a very active volcano which has killed over 5,000 people in recorded history. It has been named one of 16 decade volcanoes in the world worthy of special study. Inside the Taal caldera is Lake Tall, which is a 25km across. The lake is know for its high sulfur content and is also home to many endemic species of freshwater fish. Taal is only 50km from the city of Manila.