The color comes from iron oxide in the sand, with shades ranging from light pink to deep red. (Courtesy tensaibuta/Flickr)

The immense Perito Moreno Glacier in Argentine Patagonia is more than 50 miles in length and 500 feet deep. (Courtesy pclvv/Flickr)

There are almost 40,000 hexagonal ballast columns at the Giant's Causeway in Northern Ireland that were formed 60 million years ago by magma that spewed and cooled along the coast. (From: Photos: 10 Places That Are Out of this World )

25 Breathtaking Places Around the World - Navio Beach, Vieques Island, Puerto Rico

In Baltimore, Edgar Allan Poe's final resting place looks as if it's straight out of one of his tales. (Courtesy Westminster Preservation Trust) From: World's Most Haunting Cemeteries

Sand patterns...Nature's art!

The deep blue of the Bay of Tunis makes the perfect backdrop for the white buildings in Sidi Bou Said, Tunisia. (From: Photos: Beautiful Villages Around the World)

The Hiawatha trail, built atop a former railway, also features 10 covered tunnels along its 15-mile route. (Courtesy Skilookout) From: Beautiful Paths of the World.

The white sand beaches of Boracay are just an hour's flight from Manila. (From: Photos: Top 10 Best Budget Destinations 2013)

Red Sand beach, Hana, Maui, Hawaii.

Sand bar path, Fiji

Bedruthan Pinks | England

saint-tropez

Oregon Sand Dunes

Ball's pyramid, the world's tallest seastack.........Pretty impressive.

White Sands National Park, New Mexico

✯ Beach at the End of the World, New Zealand's south island

White Desert by Adonis Werther, via Flickr

Wadi Ayhft, Dixam Plateau, Socotra Island, Yemen ~ UNESCO World Heritage Site.

NYC. World Trade Center seen from Brooklyn

The Palouse, Northwestern United States.