The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

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

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

Iceland's largest lagoon is home to stunning multi-colored icebergs.

One woman's lifelong collection is on display in this unassuming house on an Icelandic fjord.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

A sulfuric martian landscape that looks far better than it smells.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

A striking symbol of the Bulgarian capital.

A magnificent, glittering building tucked into a tiny Bulgarian mountain town.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

Giant relaxing Buddha in Malaysia.

The largest tea plantation in Southeast Asia supplies gorgeous vistas alongside tea for the surrounding countries.

The largest Chinese cemetery in the world outside of China dates back to the 15th century.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

One of the largest caverns in the world has a maw large enough to stack cathedrals in.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

Ancient pueblos built into the base of a natural canyon wall.

Decades before the scandal, this staircase on the river was a literal "water gate."

Once one of the largest producers of pig iron in the world.