Some social media users were alarmed by the unusual sighting, with one saying, "why are people not screaming and running." ...

Found in Hawaii, Iceland, the Canary Islands and other destinations around the world, black sand ... [Read: The Top Costa Rica All-Inclusive Resorts.] You'll find Karekare Beach in Waitakere ...

Tamarindo is also home to some of the best all-inclusive resorts in Costa Rica. Nestled next to the Ostional National Wildlife Refuge, this stunning black sand beach is a major nesting site for ...