The mansion of former Romanian dictator Nicolae Ceaușescu, Palatul Prima˘verii (50 Prima˘verii Blvd., Sector 1, Bucharest, Romania; phone +40 213 180 989 http://palatulprimaverii.ro [in Romanian only]), opened for public tours on March 12.

Sitting on a 3½-acre property in Bucharest, the 80-room mansion was designed by Ceaușescu and his wife in the 1960s. It houses a cinema, wine cellar and many luxury bathrooms and has a large garden.

Palatul Primăverii is open 10 a.m.-6...

A 1½-hour guided tour of Heidelberg University, Germany’s oldest university (founded in 1386), is offered by Heidelberg Marketing (phone +49 6221 58 44 444, www.heidelberg-marketing.de/en). Sites visited include the Library, the Peterskirche and the Karzer, a prison for students.

One tour takes place every Saturday, April-October, meeting at the Universitätplatz (University Square) at 3:30 p.m. Purchase a ticket for €9.50 (near $11) online or at a Tourist Information...

In Latvia, more than 1,000 bells are displayed in the Museum of Bells in the old stable house of the 15th-century Blankenfelde Manor (Jelgava district, Vilce parish, Blankenfelde, LV-3026, Latvia; phone +371 27810348, http://blankenfeldes muiza.lv/en).

From around the world, the bells vary in age, style and material — commemorative bells, figural bells, gongs and even bells recast from metal from Lenin monuments. Including a tour, a museum visit costs €3 adult or €2...