If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Walk in the footsteps of the gods and straddle two tectonic plates.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

The summer tourists on these cliffs are thousands of seabirds.

One of the most remarkable caves in all of Iceland was created by a once raging river of lava.

A winding, blood-red tunnel of hardened lava navigable by foot.

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

A medieval Italian village is fighting depopulation with this vibrant annual street art festival.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

The world's fifth tallest waterfall is a spectacular silver chute of water that cuts through the cloud forest in northern Peru.

A remarkable geological formation resembling a forest made of stone.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

Massive volcano in the Andes is the farthest point from earth's center.

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

This large round boulder is said to emit spiritual power, but it may just be magnets.

In the most arid desert on the planet, the world's leading telescope allows astronomers to see more than has ever been seen before.