- ... that the 60 million years old Carmelo Formation (pictured) is made out of thousands of layers of volcanic pebbles, sandstone and mudstone with fossils?
- ... that one of the activities that are possible at the Nevado de Toluca National Park is scuba diving in the two volcanic crater lakes?
- ... that the Popocatépetl volcano occasionally dumps ash on the municipality of Ozumba, Mexico?
- ... that in August 2001, the Galileo spacecraft flew through the sulfur dioxide gas plume of the Ionian volcano Thor?
- ... that the Garibaldi Volcanic Belt in southwestern British Columbia is the site of Canada's largest recorded Holocene explosive eruption 2,350 years ago at the Mount Meager massif?
- ... that most of the recent volcanism in New Zealand has been along the line of the Taupo Volcanic Zone and the Kermadec island arc?
- ... that the asphalt volcano is a rare submarine volcano composed of asphalt and erupting petroleum and methane instead of lava?
- ... that eruptions from Mahogany Mountain, a caldera volcano, produced rock formations in Leslie Gulch over 15 million years ago?