I study indo-european migrations/culture etc and I know a little about lithuania but not much
the lithuanian language has the oldest indo-european roots in it's purest form of all IE languages it shares many pre-sanskrit roots and I believe there culture at first was similar to indo-aryan vedic culture
as far as mythology they shared the world tree view with germanics but there pantheon was vastly different
lithuania has some very cool architecture as well if you look at any of their old churches
also all slavs have baltic blood in them as the original slavs became balto-slavs
the lithuanian language has the oldest indo-european roots in it's purest form of all IE languages it shares many pre-sanskrit roots and I believe there culture at first was similar to indo-aryan vedic culture
as far as mythology they shared the world tree view with germanics but there pantheon was vastly different
lithuania has some very cool architecture as well if you look at any of their old churches
also all slavs have baltic blood in them as the original slavs became balto-slavs