mention few places of visit?
The Palaces and Parks of Potsdam and Berlin ,Zoologischer Garten Berlin, Berlin's Botanischer Garten, Tiergarten park, Soviet War Memorial.
Berlin
Zoologischer Garten Berlin, the older of two zoos in the city, was founded in 1844. It is the most visited zoo in Europe and presents the most diverse range of species in the world. It was the home of the captive-born celebrity polar bear Knut. The city's other zoo, Tierpark Friedrichsfelde, was founded in 1955.

Berlin's Botanischer Garten includes the Botanic Museum Berlin. With an area of and around 22,000 different plant species, it is one of the largest and most diverse collections of botanical life in the world. Other gardens in the city include the Britzer Garten, and the Gärten der Welt (Gardens of the World) in Marzahn.
The Tiergarten park in Mitte, with landscape design by Peter Joseph Lenné, is one of Berlin's largest and most popular parks. In Kreuzberg, the Viktoriapark provides a viewing point over the southern part of inner-city Berlin. Treptower Park, beside the Spree in Treptow, features a large Soviet War Memorial. The Volkspark in Friedrichshain, which opened in 1848
who was the leader who wanted to unify germany (prussia) William I. where did the unification occur? In German Empire. where was this leader mentioned from? In the Kronprinzenpalais, Berlin. any games related to this state? It is a host city of major international sporting events, athletic events, basketball, Berlin Marathon
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Berlin [SEP] Recreation
Zoologischer Garten Berlin, the older of two zoos in the city, was founded in 1844. It is the most visited zoo in Europe and presents the most diverse range of species in the world. It was the home of the captive-born celebrity polar bear Knut. The city's other zoo, Tierpark Friedrichsfelde, was founded in 1955. Berlin's Botanischer Garten includes the Botanic Museum Berlin. With an area of and around 22,000 different plant species, it is one of the largest and most diverse collections of botanical life in the world. Other gardens in the city include the Britzer Garten, and the Gärten der Welt (Gardens of the World) in Marzahn.