Having a marvelous time as she continues her worldly travels, Paris Hilton is currently spending her days in the country of Egypt.On Thursday the hotel heiress joined a caravan out to the Great Pyramid of Giza as she rode around camelback, danced and checked out some of the priceless artifacts held on thegrounds.Keeping her tweets short and sweet, Miss Hilton wrote to her many fans and followers, "Egypt is Amazing!"Meanwhile, Paris is soon to be making her way back to the States, as she's scheduled to turn up at gal pal Alison Melnick's birthday bash in Vegas over the weekend.Of the plans, the 29-year-old tweeted, "Happy Birthday @AllisonMelnick! Love and Miss you! Wish you were here with us! Can't wait to see you in Vegas this weekend! Xoxo Paris "