The final resting place of the great escape artist, where some still gather to wait for his escape from death.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A Jenga-style cylindrical tower of books that appears to go on forever.

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

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.