World's largest crossword puzzle spans the side of a towerblock, its clues scattered throughout the city.

A memorial museum to the political prisoners who were held at Sighet Prison, once one of the most feared places in Romania.

A small town Romanian cemetery filled with darkly humorous gravestones.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

Once known throughout Europe, this tiny and unusually progressive 18th century micro-nation within Lithuania now lies in ruins.