A striking 12th-century-style castle built on the edge of a cliff.

The fairy tale castle of the "fairy-tale king."

A small but immensely extravagant palace built by the "Night King."

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Macabre astrological automaton clock dating to the late 1400s.

A surreal statue honoring Prague's favorite literary son.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Tiny memorials honor individual victims of the Holocaust.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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.

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

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Home to three historic ships from the age of Vikings.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

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

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

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.