The first thermometer made with the almost-universal temperature scale is backwards.

A large collection of ancient runestones decorates this university courtyard.

Legend says this fabled well held part of a mythical Norse tree.

This mysterious runestone embedded in a church wall is linked to the medieval cult of Saint Erik.

The official meeting point for the oddly named governing assembly of ancient Sweden.

Uppsala's adorable feline sign celebrates a popular children's book set in the Swedish city.

Ancient burial grounds of the wealthy.

The second oldest anatomical theater is housed in a museum of curiosities.

The only surviving piece of Copenhagen's 16th-century defensive wall.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

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

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

The former home of Norway's greatest romantic composer.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

The painter of "The Scream" is laid to rest under a stoic bust of himself in the humble corner of an Oslo cemetery.

This floating sculpture of ice is a poignant reminder of nature's power.