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Boulders and lava were strewn across this forested valley during a 1915 volcanic eruption. Today enjoy its leisurely trail with audio exhibits.

Boulders and lava were strewn across this forested valley during a 1915 volcanic eruption. Today enjoy its leisurely trail with audio exhibits.

Boulders and lava were strewn across this forested valley during a 1915 volcanic eruption. Today enjoy its leisurely trail with audio exhibits.

Boulders and lava were strewn across this forested valley during a 1915 volcanic eruption. Today enjoy its leisurely trail with audio exhibits.

Boulders and lava were strewn across this forested valley during a 1915 volcanic eruption. Today enjoy its leisurely trail with audio exhibits.

Boulders and lava were strewn across this forested valley during a 1915 volcanic eruption. Today enjoy its leisurely trail with audio exhibits.

Boulders and lava were strewn across this forested valley during a 1915 volcanic eruption. Today enjoy its leisurely trail with audio exhibits.

Boulders and lava were strewn across this forested valley during a 1915 volcanic eruption. Today enjoy its leisurely trail with audio exhibits.

Boulders and lava were strewn across this forested valley during a 1915 volcanic eruption. Today enjoy its leisurely trail with audio exhibits.