From a special strain of seaweed harvested in Korea to cricket bats made exclusively from a specific type of wood — we traveled the world to uncover the stories behind some of the world’s most valuable items. 00:00:00 - Intro 00:00:28 - Tourbillion Watches 00:13:05 - Cricket Bats 00:26:51 - Gamtae 00:39:23 - Kanzuri 00:52:13 - Seeing Eye Dogs 01:06:06 - Inkstone 01:19:37 - Oak Barrels 01:34:19 - White Flower Shiitake Mushrooms 01:46:48 - Pedal Harps 01:58:43 - Cement Tiles 02:14:13 - Credits ------------------------------------------------------ #expensive #luxury #businessinsider #soexpensive MORE BUSINESS INSIDER VIDEOS: Axel Springer CEO Talks Trade, Trump, AI, And The Future Of Media | Business Insider Money Lessons From Self-Made Millionaires Who Retired In Their 30s Exposing The Dark Side of America's AI Data Center Explosion Business Insider tells you all you need to know about business, finance, tech, retail, and more. Visit our homepage for the top stories of the day: Business Insider on Facebook: Business Insider on Instagram: Business Insider on Twitter: Business Insider on Snapchat: Business Insider on TikTok: @businessinsider 10 Of The World's Most Expensive Items | So Expensive Season 13 | Business Insider Marathon