A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

Once housed in the towers of this Gothic church, this 17th century clock still ticks today.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

A lecture hall sink once used by Einstein and other noted physicists is now regarded as a strange science relic.

For over 100 years the most important physicists in the world have autographed this university wall.

Once the world's biggest telescope, it was later used as a coat hanger by a famous Dutch astronomer.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

A fake medieval village in the middle of Turin.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

The house where a Danish physicist discovered the connection between electricity and magnetism.

This sculptural representation of an Andersen fairy tale had to be pushed away for being too grim.

Hotel designed by indie graphics artists.

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

An old Danish political institution where members of government can grab a drink off the record.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

Copenhagen's "other" little mermaid marks the historic location of past sea maid sightings.

An "evil painter" included pointed symbols in this artwork to poke fun at members of the Danish Parliament.

Site of the first radio and telephone broadcasting companies in Copenhagen.

Discovered in a peat bog, these horned helms come from a thousand years before the Viking Age.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

A collection of noses tucked inside an art museum reveals how times have changed.

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

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.