Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

The Guardian of Tallinn.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

This micro-nation may be some sort of prank, but its constitution sure seems official.

The oldest housing complex in Riga is a mini timeline of architectural trends.

3,000 market stands in five former Zeppelin hangars.

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

Swedish skyscraper with a 90° twist.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

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

Hans Christian Andersen for the postmodern world.

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

This sublime architectural marvel is a rare example of an expressionist church.

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

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.