An unfinished Serbian Orthodox church with 1,389 golden crosses planned to represent the Battle of Kosovo.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

A measuring mishap led to these artificial stone ladies losing their stomachs.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

The last of Amsterdam's original sea level markers remaining in place.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.