Sunset from the Arenal Observatory Lodge in Costa Rica.

Sunset from the Arenal Observatory Lodge. Looking out at the Arenal Volcano.

Cloud forest in Monteverde Costa Rica.

Cloud forest in Monteverde Costa Rica.

Hanging bridge in the clouds near the Arenal Observatory in Costa Rica.

A woman hiking on the lava trails below the Arenal Volcano in Costa Rica.

Clouds covering the top of Arenal Volcano in Costa Rica

Arenal Volcano, Alajuela Province, Costa Rica

Lava Trails around Arenal Volcano in Costa Rica

Arenal 1968 lava field hike in Costa Rica.

Arenal Volcano as seen from Royal Corin Thermal Water and Spa Resort in Costa Rica.

Windmills seen near Volcan Cacao in Costa Rica.