A 125-meter long "tribute to the Brazilian people."

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

A modern zoetrope on the New York City subway.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

Now the site of a high school, this was almost the location of the largest cathedral in the US.

Three columns of volcanic rock shoot out of the ocean.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

This fairytale-like structure is the last turf church ever constructed in Iceland.

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

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

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

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

The most powerful waterfall in all of Europe.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

A sulfuric martian landscape that looks far better than it smells.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This museum dedicated to divination also honors a local 10th-century prophetess.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

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

This black church sits alone among a field of lava rock.

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

The final resting place to 300 Victorian-era pets hides inside the city park.