Visit the Waitomo Glowworm Caves

Swim at night in a lagoon near Falmouth where bioluminescent plankton light up every stroke.

Plankton light the surf electric blue on Vaadhoo and other islands on dark nights.

The world's brightest bioluminescent bay.

A 70-metre crater of natural gas that has burned since 1971 — camp beside the "Door to Hell" at night.

The highest tides on Earth, best watched among the Hopewell Rocks flowerpot stacks.

The "Eye of the Sahara" from the ground.

Waterfall dropping through three natural bridges into a cave shaft.

Wind-carved chalk mushrooms and icebergs of rock glowing at sunset — camp overnight under the Sahara stars.