The largest whale museum in Europe allows visitors to walk among life-size giants.

Climb right into the heart of this colorful Iceland volcano.

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

The summer tourists on these cliffs are thousands of seabirds.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

A popular Icelandic children's story comes to life inside this cave.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

This fantastical waterfall is hidden in a cave located in a cracked cliff.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

A granite waterfall cascading down is one of the highest multi-tiered falls in the state.

Granite rocks that concentrate waves into powerful jets.

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

Alien rock formations grown from the sands of an Australian national park.

A clear example of the process of erosion in action.

The largest collection of medicinal plants in Australia is also home to a witch who will show you how to use them.