remarkable
BERLIN

 is the capital city of Germany and one of the 16 states of Germany. With a population of 3.4 million people Berlin is Germany's largest city.  Located in northeastern Germany on the River Spree, it is the center of the Berlin-Brandenburg Metropolitan Region, which has about 4.5 million residents from over 180 nations.

Berlin is a world city of culture, politics, media, and science, hosting 147 foreign embassies. Its economy is primarily based on high-tech industries and the service sector, encompassing a diverse range ofcreative industries, research facilities, media corporations, and convention venues. Berlin also serves as a continental hub for air and rail transport and is a popular tourist destination. Significant industries includeIT, pharmaceuticals, biomedical engineering, biotechnology, electronics, traffic engineering, and renewable energy.

Berlin is home to renowned universities, research institutes, orchestras, museums, and celebrities and is host to many sporting events. Its urban setting and historical legacy have made it a popular location for international film productions. The city is well known for its festivals, diverse architecture, nightlife, contemporary arts, public transportation networks, and an extremely high quality of living.

The list of the sightseeings at Berlin is too long to be 

exhausted: 

The Brandenburg Gate; The Gendarmenmarkt; Potsdamer Platz; Hackescher Markt;  The Funkturm Berlin; The Kurfürstendamm and Hackescher Markt; The Fernsehturm (TV tower); Unter den Linden and so on.

One thing is certain time that you would spend in Berlin will fill you with reverence and respect for architectural history and wealth of the city.

Source: http://en.wikipedia.org/wiki/Architecture_in_Berlin