SOURCES
A strange museum at the ‘centre of the world’ - BBC Travel
The Official Center Of The World Is, Of Course, In California | HuffPost Life
Cat Island (Tashirojima) | Travel Japan (Japan National Tourism Organization)
Plain of Jars - Wikipedia
Nazca Lines - Wikipedia
Thor’s Well: The Mysterious Hole Draining The Pacific Ocean (thatoregonlife.com)
Pando, the Trembling Giant – Richfield, Utah - Atlas Obscura
Giant's Causeway - Wikipedia
Basalt - Wikipedia
Darvaza gas crater - Wikipedia
Waitomo Caves - Things to see and do - North Island | New Zealand (newzealand.com)
Waitomo Glowworm Caves - Wikipedia
Lake Natron - Wikipedia