Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

Sniff the Titan Arum's rotting flesh.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Dozens of large, brightly-colored paintings adorn the walls of the "street art capital of Iceland."

A world-class theater sits hidden in this remote town in West Iceland.

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

Europe’s most powerful hot spring supplies the surrounding region with hot water.

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

Iceland's tribute to its thankless civil servants.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

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

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

This stunning concert hall has become a symbol of Iceland's national recovery.

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

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

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

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

Three columns of volcanic rock shoot out of the ocean.