Youtube garden tours of cool tropical gardens in non tropical places:

Andrew Smith Garden
https://www.youtube.com/watch?v=9NFg_hmroUY
https://www.youtube.com/watch?v=eZEJ2-b5q68

Will Giles
https://www.youtube.com/watch?v=fpIaLiVEhOQ

LeafyG87
https://www.youtube.com/watch?v=kqU2hPnJl38&list=WL

JKST
https://www.youtube.com/watch?v=OWRWV1i10HA
https://www.youtube.com/watch?v=4jWE_DDOqtk&list=WL (winter)
https://www.youtube.com/watch?v=M2GUKX_hJ-A&list=WL

BocaJoe
https://www.youtube.com/watch?v=ZpLjNgMMENE

Marlon Pop
https://www.youtube.com/watch?v=V47yd3SNAw8 (bananas and crepe myrtles)