Here are 2 categories from the 10-18-2019 Jeopardy! match.

The players got all the clues in AROUND THE WORLD, except the ones marked with an asterisk (*):

*($200) The 3,000-room royal palace in this city is the official residence of the Spanish royal family, but they don’t live there
($400) Trying to burn out excess methane in a Turkmenistan crater in 1971, Soviets made the door to this 4-letter place & it burns today (image)
($600) These 2 colorful river join together just north of Khartoum, Sudan
*($800) A bridge built to give the feeling of walking through the hands of God (image) is at Ba Na Hills, founded by French colonists in this country
($1000) Studying the earth-moving capabilities of earthworms in 1877, Charles Darwin dug holes in Salisbury Plain at this landmark

ANSWERS: show

The players got all the clues in WORDS IN ICELANDIC except the 2 marked with an asterisk

*($400) To annul
($800) A tribe of highlanders
($1200) In the winter of 2010, a 27-foot-long one was seen hanging under a Scottish bridge
*($1600) Carrying a burden
($2000) This African antelope is right there in the middle

ANSWERS: show

There was also one triple stumper in BIOLOGY ($1600): In most mollusks a trochophore is the animal at this juvenile stage that looks very different from the adult

Today’s Daily Doubles and more information on Final Jeopardy! on Fikkle Fame’s full Daily Jeopardy! Recap