teacher
(teacher)
4001
Old Train Station in Rhyolite, Nevada 
EDIT: Dang, raccoon city beat me………… :person_facepalming:
EDIT 2 Well done raccoon city. :+1:
raccoon
4004
First clue:
This building was created by a famous French architect.
elnino
(elnino)
4005
Le Castel Béranger/Immeuble Lavirotte.
Paris, France
I’m not at home, I will past this turn …
raccoon
4006
Yep, it's 29 Avenue Rapp in Paris.
Very good!
Who wants to post a pic next?
raccoon
4008
The Equator monument, Pontianak, Indonesia
teacher
(teacher)
4009
What it is…… A Sundial ??
Where it is…… I have no idea.
raccoon
4011
Mitad del Mundo, Quito, Ecuador
raccoon
4015
It's not in the United States.
raccoon
4016
First clue:
It's south of the Tropic of Capricorn.