Tech Insider

In Uruguay, Renato sets off an explosive to reveal an ancient, glittery stone: amethyst. In Italy, Enrico cuts slabs off of one of the most expensive marbles in the world: Calacatta.

Tech Insider

From the purest form of maple syrup, extracted drop by drop from trees in New York, to the finest polished-rice sake, crafted by Japan's youngest female sake brewmaster, we uncovered the stories behind some of the world's most expensive foods.

Tech Insider

Founded in 1643 in France, Trudon is one of the oldest candle manufacturers in the world. Its candles lined Marie Antoinette's bedroom and the churches of Paris. Today, prices range from $48 for one taper candle to $660 for a "great"-sized jarred candle. Its legacy isn't the only thing behind that hefty price tag.

Tech Insider

Amethyst is one of the most abundant crystals in the world, but the most prized pieces can cost almost a million dollars. Some of the world's largest amethyst geodes come out of Artigas, Uruguay. The earth beneath this region is uniquely suited to producing amethyst.

Tech Insider

From Assamese muga silk to jasmine oil used in luxury perfumes and from aromatic sandalwood to real saffron that costs over $10,000 per kilogram, we traveled the length of the subcontinent to uncover the stories behind some of the most expensive products made in India.

Tech Insider
Editor's Note: In the video we say spruce is used for the bottom of the guitar, but Martin Guitars typically uses rosewood for bottoms.

Martin acoustic guitars are some of the most popular and well-known high-end acoustic guitars in the world.

Tech Insider

Bulgarian rose oil is the most valuable rose oil on the market. Buyers are willing to pay $15,000 for a single kilogram. But to make the highest-quality Bulgarian rose oil, producers must spend the year cultivating fields that will bloom for only a few weeks.

Tech Insider

Fish maw — the swim bladder of a fish — is one of the most expensive dried-seafood products in the world. A Chinese delicacy, it can fetch $450 to $1,000 per kilogram.

Tech Insider

Fleur de sel is a rare, unrefined salt that is made by evaporating seawater slowly in 2-centimeter-deep ponds. It's made in western France using centuries-old methods. Just locally, it can cost 230 times more than table salt. Outside French borders, it can reach $420 per kilogram.

Tech Insider

For over 200 years, tailors have been crafting high-end bespoke suits on London's famous Savile Row. A custom-made two-piece suit can cost £6,000. And while a tailor's tools are simple, the skills needed to turn a paper pattern into a pressed suit take years to master.