Near the village of Starunia in the Ivano-Frankivsk region, a mud volcano once preserved a woolly rhinoceros so completely that its soft tissue survived for over 30,000 years.
Trindade Island, rising 600 km off the Espírito Santo coast, exposes trachyte plugs so stark they could be lifted from the Canaries — yet almost no volcanologist visits them.
Bukit Bombalai in Sabah may be Malaysia's most recently active volcanic centre — its basalts are geologically young and the mud fields nearby still bubble.