Arenal Volcano, Costa Rica's best-known stratovolcano, stands more than 5,000 feet high and appears to touch the clouds. For the latter half of the 20th century, admirers traveled to its base in ...

At the park’s heart is the 5,357-foot Arenal Volcano, which is Costa Rica’s ... creating a picturesque turquoise lagoon in its crater. All that volcanic activity means that natural hot springs ...