Great Falls, Virginia

Tundra in autumn in Denali National Park, Alaska

Alberobello, Italy

A desert in the middle of Iran. Photo by Arash Karimi

Morondova, Madagascar

Pathway to heaven Mt Cook, New Zealand

El Charco del Ingenio - San Miguel de Allende, Mexico

Long, Long Road

Mountains near Weissbad, Switzerland.

North Stradbroke Island, Australia -

Son Doong Cave, Vietnam. The largest cave in the world.

Bagan sunset, Myanmar

Kronotsky volcano, Russia