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

The most powerful waterfall in all of Europe.

This elegant arc of a waterfall marks a religious turning point.

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

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

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

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

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

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

Ruins of a German Castle on top of a towering stone pillar.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The wooden airship was the largest flying boat ever built.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This highest peak in Idaho can only be reached by traversing a formation known as "Chicken-Out Ridge."

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

A few dilapidated structures are all that remain of this deserted former silver mining town.

Home to the deepest rift anywhere on Earth.

The decorations were inspired by an unlikely missing treasure.

A town's monument to a touch-football victory 50 years in the making.

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.