Circus Hostel, 1a Weinbergsweg, Berlin; 011-49-30-2000-39-39, http://www.circus-hostel.de. Family-friendly apartment-style rooms, with kitchens and baths, occupy the top floor of this clean and friendly hostel, separate from the lower, communal-style floors. Two- and four-person apartments are available for about $120 and $190 a night, respectively.
Tiergarten flea market, U6 Reinickendorfer Strasse, Berlin. Open Saturdays and Sundays, 10 a.m. to 6 p.m. Free admission. This bustling open-air flea market's offerings are as varied as stamp books, Art Deco furniture and German china.