So here is a partial answer.
The matrix given in the picture equals to
1655.
which corresponds to
the discovery year of Titan, which is probably the answer.
Regarding the clues
9JPJ+RM9 Bath corresponds to
Royal Victoria Park.
CRMX+V4 Mexico City corresponds to
Monumento A La Revolućion. </!>
HX8H+M7 Seoul corresponds to
Cheonggyecheon.
JMC2+67 Seattle corresponds to
Space Needle.
GR26+FX7 Salida corresponds to
Greens Creek Hiding Trail.
P4VX+RP Queens corresponds to
New York Hall of Science.
V75V+8VG Paris corresponds to
Tour Eiffel.
V7FV+CWP Paris corresponds to
Arc de Triomphe.
9GQJ+VQC Qatar corresponds to
Actually the result obtained was for 9GQJ+QVC which was Lasail Murina Promenade.
49RG+2P Las Vegas corresponds to
A point in the ocean.
QH48+Q7 Bangkok corresponds to
Victorv Monument.
RHG9+49 Bangkok corresponds to
Major Cineplex Rachavothin.
I do not have an explanation for clues and title.