Zegrahm Expeditions Travel Resources

Exploring the underwater world of coral reefs is an extraordinary experience. Snorkeling or scuba diving in places like Australia, the Galápagos Islands, and Polynesia is a must for anyone's travel bucket list! Here are 21 fascinating facts about coral reefs that you might not know, from general information and the benefits of coral reef systems to the world's most impressive sites that are simply must-sees. And, for even more facts about coral reefs, be sure to check out our blog, ...

Glaciers account for some of the most jaw-dropping scenery on the planet. There are glaciers on every continent on Earth; but the most impressive are usually found in polar and high alpine regions, where cooler temperatures allow them to grow to colossal sizes. The Patagonia glaciers are among the most iconic scenes of life in southern Argentina and Chile. There are countless glaciers in Patagonia, creating a vast adventure playground for anyone with a love for exploring sublime...

On August 21, the moon will pass in front of the sun and the sky will turn completely dark in the middle of the day. Total solar eclipses like this occur approximately once every 18 months, but they’re usually only visible from less than half a percent of the Earth’s surface. This will be the first total solar eclipse visible in the United States since 1979.

Despite the brevity of this phenomenon, its rarity makes it an experience stargazers do not want to miss....

Tom Sharpe is a geologist originally from Glasgow, Scotland, who has spent the last 35 years as a geology curator in the National Museum of Wales. He is a Chartered Geologist, a Fellow of the Geological Society, and a Fellow of the Royal Geographical Society, as well as a member of a dozen other geological and polar societies. Here, Tom shares...