Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

Preserved "bog person" that is over 2,000 years old.

A walkable map of the world, made from soil and stone by one man.

This huge industrial sculpture looks like a UFO and a factory had a baby.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

Denmark's famous pseudo-hill.

Iron Age "bog person" preserved for over 2,300 years.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

Small Island off the coast of Greenland.

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

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

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

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

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

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

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

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

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

The most powerful waterfall in all of Europe.