Hawaiʻi Volcanoes National Park includes the Mauna Loa and Kīlauea volcanoes on the Big Island. While Mauna Loa hasn't erupted since 1984, Kīlauea has been continuously erupting since 1983, burying towns in lava and closing roads.
Views of Kīlauea Caldera from the Crater Rim Trail near Volcano House:
Views of Kīlauea Caldera from the Jaggar Museum:
The Hawaiian Volcano Observatory on the rim of Kīlauea Caldera:
Halemaʻumaʻu Crater is a 165-metre deep crater within Kīlauea Caldera:
Halemaʻumaʻu Trail near the crater:
Thurston Lava Tube, formed by a Kīlauea eruption 350 to 500 years ago:
Lava from Kīlauea flowing into the ocean at night, adding more land to the Big Island: