Stockholm's deepest subway station is also a stunning ecological wonder.

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Home to three historic ships from the age of Vikings.

The world's northernmost aquarium looks like it has fallen over.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

Cold storage for agricultural biodiversity.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

Rainbow shutters decorate this former police station.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

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

A lush desert oasis in the shape of a narrow crescent.

Hundreds of caves filled with thousands of centuries-old statues and murals.

The western-most fortress on the Great Wall of China has gone from a strategic stronghold to a kitschy tourist carnival.

These layered sandstone mountains in China look like they are made of pressed crayons.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

The Yonaguni Monument, a natural formation or the Japanese Atlantis?

This dragon-shaped sports arena is the world’s largest solar-powered stadium.

The world’s largest work of glass art hides in this stunning Taiwanese subway station.

The tangled roots of a giant banyan tree have fully reclaimed the ruins of this abandoned warehouse.

Memorial to the father of the Republic of China.