This unreal Portuguese palace looks as though it's made from a pile of different castles.

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

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

A statue of the Soviet leader still stands in a quiet corner of Estonia’s most Russian city.

Sculpture of a bus made from wrecked passenger cars.

This Scandinavian island is the site of the first modern observatory.

Swedish skyscraper with a 90° twist.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

This chimerical bridge/tunnel appears to dead end right into the sea.

One man's remarkable private collection of art from around the world.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Not quite the cultural gateway between China and Sweden its designer imagined.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

Stockholm's narrowest alley is barely over two feet wide.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

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

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

This giant shopping mall still holds signs of its automotive past.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.