For today's Geo Quiz, we want you to find a link.
Some old wooden churches in the Carpathian Mountains, two historic towns in Malaysia, and some wetlands in the highlands of Papua New Guinea.

What do they all have in common?
These three sites are important for what they are as well as for where they are. Each place is seen as having a rich history much like the Pyramids of Egypt or the Baroque cathedrals of Latin America.
So here they are again: 16th century churches in the Carpathians, two trading towns near the Strait of Malacca, and an ancient agricultural site in Papua New Guinea.
See the link?