What's the Kennection? #353

What Caribbean archipelago did Columbus name for St. Ursula, who was martyred before she could marry a pagan king?

What geothermal features are called onsen in Japan, where they are popular travel destinations?

What kind of tree is the 380-foot Hyperion, the world’s tallest living tree?

The besieged underground human city in the 'Matrix' movies is given what biblical name for the land of Israel?

On what TV show does Kevin Costner play John Dutton, the billionaire owner of America’s biggest ranch?

What's the "Kennection"?