Dean's Blue Hole, Long Island, Bahamas.

The California Coast

Cirque de Gavarnie, Pyrenees

Villetta Barrea, Abruzzo, Italy

Rosh HaNikra Grottoes, Israel

Burano, Italy

Qilian County, China

Volterra, Italy

CRYSTAL CAVE Svínafellsjökull Skaftafell, Iceland

Prusik Peak, WA

Iguazu Falls, Brazil

Green hills in Sri Lanka

The Agean Sea, Santorini, Greece