I've found 9 cultural tours to Bulgaria

The Danube from Romania to Budapest with 1 Night in Bucharest and 2 Nights in Transylvania (View)

Danube River Cruise: This 13 day Danube river cruise begins in Bucharest & includes a 2 night stay in Transylvania. View itinerary & request a quote!

From Romania to the North Sea with 1 Night in Bucharest (Passion)

Glide past quaint towns, beautiful views, and historic buildings along the Danube, Main, and Rhine Rivers.

The Danube from Germany to Romania with 2 Nights in Transylvania (Passion)

Transylvania is included on this unforgettable Danube River cruise by Avalon. See Germany to the Black Sea. Request a quote & book your European cruise today!

From Romania to the North Sea with 2 Nights in Transylvania (Impression)

Iconic Rivers of Europe - the Rhine, Main & Danube with 1 Night in Bucharest and 2 Nights in Transylvania (Expression)

From Romania to the North Sea with 1 Night in Bucharest (Expression)

Glide past quaint towns, beautiful views, and historic buildings along the Danube, Main, and Rhine Rivers.

From Romania to the North Sea (Impression)

From Romania to the North Sea (Expression)

From Romania to the North Sea (Passion)