“Their unique turquoise blue-green hue ... beauty of the Paraiba has made it the rising star of the gem world. It is rare for new gemstones to be discovered. In the 20th century, kunzite ...

In the highlands of Vietnam and Laos, saolas, or "Asian unicorns," are dwindling in number. And now, there's a race to save ...

California's rare albino redwoods are ghostly white trees that can't photosynthesize. With only 350 in the wild, they face threats from over-visitation.

As a result, many insects have sadly become rare and endangered. However, learning about our world’s diverse insect species can show us just how interesting, beautiful, and important these ...

It also showcases some of the rarest turquoise specimens in the world. Recent visitors had high praise for the vast collection and the building's architecture, which is a former residence built to ...

World Animal Day educates about animal rights ... months annually to produce a single litter of offspring. One of the rarest rodents in Europe, these dormice can still be found in south-eastern ...

Your support makes all the difference. One of the rarest species of whale in the world has increased slightly in population, encouraging conservationists to call on the federal government and the ...

Following is a transcript of the video. Narrator: Lotus silk is one of the rarest fabrics in the world, produced only in small scale across Cambodia, Myanmar, and, more recently, Vietnam.

Thanks to one of his viewers, [Colin] was able to get his hands on one of these extremely rare customized handhelds. Clearly a man after our own heart, his first inclination was to tear the thing ...

An envelope. It indicates the ability to send an email. Su filindeu, or "threads of God," is the rarest pasta in the world. For a century, it was made by a single family in the Sardinian city of ...

Following is a transcript of the video. Narrator: This is wagyu beef, one of the most expensive meats in the world. Produced in Japan and prized for its rich marbling and buttery taste ...