Cueva de los Verdes

"Guided walks take you through a 1-km (½-mile) section of underground volcanic passageway. It's one of the best tours on the island. It's to the north of Costa Teguise, beyond Punta Mujeres." Full review

"Cueva de los Verdes is a yawning, 1km-long chasm, which is the most spectacular segment of an almost 8km-long lava tube left behind by an eruption that occurred 5000 years ago." Full review

"A spectacular network of underground grottos, formed thousands of years ago by a series of eruptions...the caves also offer an invaluable insight into how the pre-Hispanic population lived " Full review