Vog expected on the Big Island, Hawaii.

Hawai’i Volcanoes National Park. Image by geofiz / CC BY 2.0

On 15-16 May Hawai’i Volcanoes National Park will hold the Biodiversity & Cultural Festival, celebrating the island’s vast array of animal and plant life, as well as the traditions of the archipelago’s native population. Participants must register beforehand, but admission to the event is free; entrance fees to the park are also waived for both days. Read more: latimes.com