Osulloc Tea Museum

This guide to Osulloc Tea Museum on Jeju opens in a hands-on tasting room where a tea master corrects how you've been brewing Korea's national drink, then traces the museum back to 1979, when businessman Suh Sung-hwan bought a patch of thorn scrub and volcanic rubble that other farmers had already given up on. Workers spent years picking stones out by hand before the ground could hold anything. The museum itself opened in 2001, next to a roastery where you can watch leaves curling over heat.