Here are the 5 SVC slides with 2 clues per slide:
Slide 1:
+25/-10 - Statue of Liberty, Big Ben
+20/-10 - Eiffel Tower, Great Wall of China
Slide 2:
+15/-5 - Mona Lisa, The Last Supper
+10/-5 - The Persistence of Memory, American Gothic
Slide 3:
+5/0 - Michael Phelps, Cristiano Ronaldo
Slide 4:
+5/0 - The Beatles, Friends
Slide 5:
+5/0 - Theory of Relativity, DNA