Here are a few of my favorites from my trip to Kauai last summer.
Jurassic Falls : 5D MK3 : 24-105 f/4L @ 58 mm : 1/2000s : f/4.5 : ISO 1250
Waipoo Falls : 6D : 16-35 f/4L @ 25mm : 1/1000s : f/4.5 : ISO 4000
Honopu Beach/Honopu Arch : 5D MK3 : 24-105 f/4L @ 45mm : 1/1250s : f/4 : ISO 500
Ke'e State Beach Park : 5D MK3 : 24-105 f/4L @ 24mm : 1/1250s : f/4.5 : ISO 1600
Mountains of Halelea : 6D : 16-35 f/4L @16mm : 1/100s : f/4 : ISO 4000
https://michaeltowster.smugmug.com/Travels/Kauai/