What lies beneath the Earth's surface? An endless scourge of heat and metal? Or an underworld of gods and advanced civilizations? This was the ultimate question 17th-century scholars tried to figure out. And what they came up with was closer to ancient mythology than reality.

24: Life Inside The Earth? Visiting Agartha & Hollow Earth Stories

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To call it "grand" is an understatement. The beauty within this natural park might bring a thousand descriptive words to mind, and "grand" is only one of them. Regardless, it's time to step inside, or perhaps fly above, this mystical crevice within the Earth.

27: The Glorious Grand Canyon

With seven rings to rule them all, Saturn has intrigued us Earth-dwellers for centuries. It's the only planet whose rings we can see from space. But beneath its beauty hides the chaotic mysteries of world so distant from our own, and the moons alone hold their own stories of the cosmos.

26: Exploring Saturn The Gas Giant

With beauty and absolute awe, Yellowstone has made its permanent mark on planet Earth. Geothermal geysers send pillars of steam coursing through the skies, and limitless herds of animals graze just off the trails. You've heard about this famous park for years, and it's finally time you step inside.

25: Wondrous Yellowstone Exploration

Where Red Rock buttes meet cloudless skies, Sedona is blessed by almost 300 days of nothing but sunshine. People flock from all over the world for outdoor adventures and beautiful landscapes. But there's more to this region than its unique landscapes; spiritual energy emanates from its core. And many hikers carry on with their pilgrimage to find the secrets of internal balance and self-reflection between the red rocks and waterways of Arizona.

24: Life Inside The Earth? Visiting Agartha & Hollow Earth Stories

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