Two stone columns flank the grand Venice square, but there were supposed to be three.

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

A black cat protests the City Guild in Riga's Old Town.

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.

This striking memorial is one of Estonia’s most controversial Soviet leftovers.

The Guardian of Tallinn.

These coffin-like Brutalist balconies were inspired by a nearby mine.

The world's largest underground iron ore mine.

Sweden's oldest animated sign is still lighting up the skyline today.

Swedish skyscraper with a 90° twist.

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

The world's first ice hotel is still one of the most elaborate and beautiful.

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

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

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

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

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