Three columns of volcanic rock shoot out of the ocean.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

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

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

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

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

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

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

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

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

The only rotating bar in New Orleans has been slowly spinning since 1949.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This hot dog-shaped diner has moved all around Colorado, but has never been to New York.

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.

Granting the right of way to ships over surface traffic since 1917.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

This working class sculpture pounds his hammer all the livelong day.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

What's that on the side of that building? Va Va Voom, it's Bettie!

The highest point in Washington state is a volcano covered in glaciers.

This former coal gasification plant found a curious second life as a popular public park.