9-day, 8-night private luxury train trip, May 4-12, 2015. Highlights: Depart Venice, ITALY/tours of Ljubljana, SLOVENIA, and Zagreb, CROATIA/in SERBIA, Tito’s Memorial/in BULGARIA, Alexander Nevsky Cathedral, fourth-century Thracian tomb/in ROMANIA, 14th-century Bran Castle/in Budapest, HUNGARY, Royal Palace, St. Matthias Church. Land, $9,795 per person, double occupancy (ppdo) or $15,295 single, Heritage Class, or $15,395 ppdo or $23,995 single, Deluxe Class. Society of International Railway Travelers (Louisville, KY; 800/478-4881, www.irtsociety.com)