The Hubble Space Telescope has been used to study NGC 1052-DF2 — a galaxy that is lacking dark matter. Credit: NASA's Goddard ...

And if you're a big fan of finding hidden gems, you can uncover some breathtaking hidden waterfalls in the Lauterbrunnen Valley. Trümmelbach Falls are the largest underground waterfalls in Europe ...

Here in the largest valley on the island, three waterfalls – Topatari Falls, Vaiharuru Falls and Puraha Falls – pour down from lofty heights, surrounded by thick jungle and vegetation.

Sharael Kolberg, Contributor, Travel Not only is Waimea Valley a beautiful place to explore, with lush landscaping, 52 themed botanical gardens, native ecosystems, native birds and a waterfall ...