Built in 1891 as a private residence, this polished, elegant hotel is a 12-minute walk from the Berlin Zoological Garden and 4 km from Brandenburg Gate. All rooms and suites have free Wi-Fi, flat-screen TVs and Nespresso machines, as well as minibars, heated floors and soundproof windows. Some have exposed brick walls, plus views of the city or courtyard. Suites add separate seating areas, fireplaces or patio access.