Denmark’s ultra-modern library hides a treasury of rare, unique books.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

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

Denmark’s oldest bakery is home to the 'Wednesday Snail,' one of the best cinnamon rolls on the planet.

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

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

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

Copenhagen's celebrated theme park and gardens.

One of Scandinavia's largest mosaics pays tribute to Danish art and science luminaries.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

Hans Christian Andersen for the postmodern world.

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

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

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

A historic casino where Dostoyevsky is said to have lost it all on a single spin of the roulette wheel.

This tremendous timepiece was once the largest cuckoo clock in the world.

Fantastic views and thousands of love locks.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Looming communist pillar with a Czech twist.

Two stunning 17th-century libraries and a cabinet of curiosities.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.