Misc: Which class of racing yacht has the same name as a Wagner opera?

Questions

what dungeons & dragons characters need more dexterity than anything else?

what is the highest mountain in japan?

the image of what historical person is believed to be on the shroud of turin?

in 'spaceballs' what does the bumper sticker say on the back of lonestar's ship?

the legendary joe diamaggio was married to which diva?