Nature

The subtle interplay of fire and water is hard to ignore at this remote Jamaican spring.

A vast array of tropical plants collected by a vacationing couple.

The 3.8 billion-year-old rock proves that tectonic plates may have been shifting longer than we thought.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

This beautifully deceptive waterfall is something far different from what it appears to be.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

An exquisite tunnel of cascading flowers.

A park in Mexico offers all the experiences of an illegal border crossing except for one: the border.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

Rocks that take on the likenesses of several recognizable living entities crowd the Wang dong Rock Quarries.

Spring that emits water and fire at the same time is said to have remedial properties, and sparked its own religion.

Mysterious hillside with a continuously burning natural fire.

Resonant stone, that has been played since prehistoric times.

Moss and stone turn this waterfall into an otherworldly liquid veil.

The vaguely man-shaped root that ate the body of the founder of Rhode Island.

The Connecticut village named for its subterranean thunder.

Rock face that shares a name with Mary Shelley's famous doctor.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.