Natural Wonders

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

The titular "little arch" near this Italian resort is one of the most popular diving spots in the country.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

The highest peak in Puerto Rico is home to a rare fern that can only be found on six trees at its summit.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This whimsically named Vietnamese stream is closer to a walkway than a waterway.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

This stream-carved gorge has inspired poets, hidden smugglers, and trained soldiers, all without losing its beauty.

This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

This massive water spout has been luring visitors for hundreds of years, some to their death.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

The world's oldest rose is so tough it survived being bombed in World War II.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

The deadliest diving spot in the world is also a stunning geological marvel.