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

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

This canyon is comprised of gorgeous waters and magnificent basalt columns.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

This former factory has been transformed into a technicolor wonderland, where dozens of local artists have collaborated to create a real choose-your-own-adventure experience.

Fascinating military history, awe-inspiring wildlife encounters, and endless outdoor adventures draw people to this sprawling park.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

More than 12,000 years ago, this park was a playground for mastodons.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Tubing through a cave lit with glowworms is a magical underground experience.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

Native Americans built this circle of stones, which was used to predict astronomical events.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

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

Beautiful hillside Vermont cemetery with amazing funerary art.

Thousands of American timepieces on display in the former clock-making capital of the country.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

A carnivorous plant paradise in a serpentine bog.

A large wind turbine installation in central Washington State is home to an extensive set of interpretive exhibits.

One of the last active volcanoes on the Eastern seaboard.