the pyramids of egypt and sudan and in south america are hindu too... babylona is babbalipura, ramallah town ( palestine ) is actually "ram lalla", rome is rama, granada city ( spain ) is "griha nath" and so on.
Which is why Mangalyaan one has been sent to reclaim the lost Hindu world of Marsitaram... which housed the interstellar transit hub named after the first warp speed capable starship like looked like a Conch shell(it was made with a secret process using Conch shells, dung and papaya juice that was known to ancient Hindu alchemists)... the first of its kind was called the Modi-Katola.