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

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

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

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

An encyclopedic collection of mammal penises.

This risqué sculpture, based on a Hans Christian Andersen fairy tale, caused outrage 35 years after it was erected.

An exhibition of preserved locomotives housed in a 1950s depot shows the history of Denmark's railway.

After funding was cut for a memorial to the Danish author, the sculptor had his statue ceremonially lowered into the city harbor.

It houses the remains of a 17th-century version of the Titanic.

A concrete mushroom that divided Stockholm residents for nearly a century.

The Swedish flag over this small naval fort signals that the nation is at peace.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

On Nobel Street, a miniature statue of Alfred Nobel.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.