Go inside to really appreciate this 500-year-old technological masterpiece.

100 year tradition of fist fights, marked by marble footsteps.

A whimsical bridge adorned with decorative dragons.

Where the lovelorn find a home for their sentimental keepsakes.

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

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

One woman's lifelong collection is on display in this unassuming house on an Icelandic fjord.

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

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

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

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

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

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

Three columns of volcanic rock shoot out of the ocean.

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

This fantastical waterfall is hidden in a cave located in a cracked cliff.

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.

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

This beautiful, historic church looks like something out of a simpler past.

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

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

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