The Pelit company has made chocolate since 1957. This small museum is dedicated to the history of chocolate in Turkey and also features numerous chocolate sculptures.
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big lagoon
This lagoon and district has more to offer. There are lots of cafes around the Kültür Park, and restaurants along the banks of the lagoon's outlet channel. There is nothing of note in modern downtown Büyükçekmece.
The main attraction is this small circular park on the lakefront. Much of its content is modern, including the amphitheatre and sculpture. But behind the amphitheatre are the old baths, and on the park's southeast rim is the caravanserai: Büyükçekmece was traditionally the first overnight stop for caravans trekking west to Europe from Constantinople, or their last stop eastbound. Also known as Kurşunlu Han, the "lead inn" as that's what it was roofed with, it's now a cultural centre: see if there is an exhibition on, and in any case try to peek inside at the architecture supporting the roof. Next to it is Sokollu Mehmed Pasha Mosque, with its kerbside minaret artistically carved out of a single piece of rock, and a large fountain to provide water to the arriving caravans.
An Olympic venue. Home court of the national team.
little lagoon
This district lies between the "little lagoon" of that name, and Ataturk airport. It houses the Halkali Railway Station. There are lakeside areas for strolling and cycling, and there is a 16th-century stone arch bridge over the creek that connects the lake to the sea, but you wouldn't make a special trip.