The Key Largo Tree Cactus is now the first U.S. species to become extinct due to rising sea levels, according to a study done by the Botanical Research Institute of Texas.. A look at the world ...

The Key Largo tree cactus, located in the Florida Keys, has become the first U.S. species to become extinct due to sea level rise, scientists say. Trudy Ferrarao.

A rare species of tree cactus has gone extinct in Florida, in what is believed to be the first species lost to sea level rise in the United States, researchers said Tuesday.

Siesta Beach in Siesta Key, Florida was named the number 42 best beach in the world. Known for its rare, powdery white sand, this beautiful beach is made up of 99% pure quartz.