The UNESCO-endorsed tourism development association, The Club of the Most Beautiful ... more hidden gems and expert travel tips? Subscribe to our free newsletter for access to the world's best ...

Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones ... It's just remarkably beautiful. You can put the thing away for a ...

Many minerals form beautiful crystals, but the most prized of all are gemstones. Uncut gems often ... they are found in very few locations around the world. Graphite is also made of carbon atoms ...

EXCLUSIVE: As Europe's top destinations get even busier, some of the world's top travel experts have revealed the best hidden gems you should explore next.

If you're yet to decide on where to go this year, travel gurus at Skyscanner have just the thing: their list of the top 10 "most walkable ... a stunning historical gem nestled in Andalusia's ...

Hidden Gems. Although Travelers’ Choice Awards typically represent the top-rated, most popular restaurants, this year Tripadvisor sought to showcase lesser-known spots and places locals love.