A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

Three columns of volcanic rock shoot out of the ocean.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

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 elegant arc of a waterfall marks a religious turning point.

The most powerful waterfall in all of Europe.

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

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

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

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

The original shop where the iconic Belgian praline was invented.

One of the oldest bank museums in Europe showcases unusual currencies of the world and other money-related miscellanea.

A little sculpture with a large wardrobe.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

Climb inside an iron crystal magnified 165 billion times its normal size.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

This bridge was constructed from the rubble of the infamous Bastille.

This demon atop the Notre-Dame de Paris looks utterly bored.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

This Parisian gem is one of the most incredible ethnographic museums in the world.