Its last eruption was in 1994, and traces of the black lava can still be seen.

BBC: Beyond the usual suspects in Bali

The scene is like something from a Biblical epic: 2, 000 sheep are being driven across a desert of black lava.

BBC: Iceland on horseback

Sophisticates can choose from pink Bolivian sea salt, black lava salt from Hawaii, smooth-textured Korean alkali salt and Halen Mon, harvested from the shores of isle Mam Cymru in Wales.

FORBES: Salt Chic

On the beach of an island in the Pacific, an island with black sand, hardened black lava, and nothing green growing but cactus, a British mariner with a knife in his hand was crouching before a giant tortoise.

NPR: Excerpt: 'Natives and Exotics'

Relaxing in the lagoon, surrounded by steam, snow (in the winter) and black mountains of lava rock, is a breathtaking and uniquely Icelandic experience.

BBC: Iceland��s Cinderella story

This gigantic chasm at the heart of Kaua'i is one of the island's greatest natural wonders, and its red-and-black-striated lava-rock walls contrasted with the lush green forests that blanket its top is a true sight to behold.

BBC: Hawaii for beach haters

Hikers pass through a variety of landscapes, through lava fields, across black obsidian ridges and over mountain-tops.

BBC: Mini guide to Iceland's activities