Here are a few photos/videos to get a sense of the trip to Agrihan. A detailed trip report of the first ascent in 2018 is found on SummitPost and an extensive photo/video album is also available.
Approaching Agrihan’s SW beach after a 20+ hour boat ride is a relief 
The initial 1/2 mile is through shady coconut palms 
Lots of time is spent ferrying supplies through dense swordgrass 
Looking toward the summit from Camp 2 
Above camp 2 it’s mostly ferns 
The team sleeps under a large tarp at High Camp 
Looking down toward our camps 
Climbing up Stegosaurus Ridge towards the crater rim 
The crater rim traverse to the highpoint at 3204 feet 
Crawling through dwarf trees along the crater rim 
The final pitch to the true highpoint 
The CNMI flag makes it to the top! 
Gazing down into the crater is a “Jurassic Park” moment 
A sampling of life on Agrihan 
Fresh fish, mangoes, coconuts – always available for eating 
In 2015 we attempted to summit Agrihan but came up 26 feet short (PDF article). Here RogerW shows us life in the sword grass. His other Agrihan 2015 videos can be found on YouTube.
Agrihan 2019 