The only structure in a remote mountain pass, these colorful cubes are visible from miles away.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

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

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Climb right into the heart of this colorful Iceland volcano.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

The university library shaped like a giant piece of Swiss cheese.

A unique configuration of blown glass can be found inside this hotel lobby.

The cluster of igloo-like domes forms the remains of an ancient burial ground.

Billed as the "largest natural flower garden in the world" this Middle Eastern show field has little competition at 45 million flowers.

Singapore's landscaping project is home to 18 incredible Supertrees.

A unique project to help restore coral reefs in Bali.

Of five volcanoes located in the massive Tengger caldera, this cone is the youngest and most active.

In this rare traditional factory, three generations of know-how, several strong cows, and a one-ton mortar come together to make Yogyakarta's famous "ugly noodles."

The remote island home of the overlooked explorer who co-discovered the theory of evolution by natural selection.

One native village in Bali lays their dead at the foot of a holy tree whose natural fragrance seems to hide the stench as the bodies decompose.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

An unassuming tomb houses an important milestone in Indian architectural history.

An eighth-century rock-cut cave temple in the middle of Pune.

A pair of mysterious, unusually polished cave temples with an ancient gold legend.

A pair of nearly 1,000-year-old temples profusely covered in meticulous stone carvings.