The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

This Soviet statue is based on a piece of propaganda that's been elevated to national myth.

This Soviet-era athletic and recreation facility is the highest ice skating rink in the world.

In Kazakhstan, a colorful cathedral with many lives once survived the most powerful earthquake in the region.

A modern tower, symbolizing the legend of a golden egg on top of the tree of life.

Beatlemania is still going strong... at least in Kazakhstan.

Nicknamed Kazakhstan's Grand Canyon, this natural wonder lies east of Almaty near the Chinese border.

A brilliant turquoise lake in the mountains.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

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

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

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

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

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.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Walk in the footsteps of the gods and straddle two tectonic plates.

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

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

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

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

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

Slum Settlement Filled With Mountains of Garbage.