Explore Underground World, Ice Age, and more!

Underground world discovered in Corydon dates back to ice age

Underground world discovered in Corydon dates back to ice age

Australians have built the underground town of "Coober Pedy" to escape extreme heat

Australians have built the underground town of "Coober Pedy" in northern South Australia to escape extreme heat. The area is famous for its opal mining. Some of the most spectacular opals in the world come from here.

Underground Cities of the World

14 Most Incredible Underground Cities Around The World

Underground Cities Around the World: Check out these selected incredible underground cities.

Puerto Princesa, Underground River, Philippines

Astonishing Photos of Marvelous Places Around the World (Part - Puerto Princesa, Underground River, Philippines. My hubby would love to visit!

Fantastical, exotic Turkey intrigues kids of all ages with its ancient cities, magical castles, lively beaches and mysterious underground worlds.

Family Friendly Places in Turkey

Pioneer Square, Seattle, Washington. Wonderful, eclectic shops and a haunted, underground tour.

Pioneer Square Alley, Seattle, by Larry Myhre. I have always loved this building even as a kid with my mom

"Kitt" Peak Observatory giant telescopes, world renowned.  Tucson, Arizona

"Kitt" Peak Observatory giant telescopes, world renowned. Favorite field trip loved that place

The mesmerizing beauty of the Postojna Cave and the mysterious castle of Predjama rank among the most precious jewels of Slovenia. Discover the wonderful underground world of Postojna Cave and explore the striking medieval Predjama Castle.

The mesmerizing beauty of the Postojna Cave and the mysterious castle of Predjama rank among the most precious jewels of Slovenia. Discover the wonderful underground world of Postojna Cave and explore the striking medieval Predjama Castle.

Powerful Underground Persuasion Techniques - digital marketing #digitalmarketing #affiliatemarketing #networkmarketing #socialmarketing #network

Powerful Underground Persuasion Techniques - digital marketing #digitalmarketing #affiliatemarketing #networkmarketing #socialmarketing #network

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