This huge museum is a great place where you can learn about the history of the Korean Military. There are many things to see both inside and outside the museum. On display are military airplanes, tanks, weapons and other military equipment. Put your walking shoes on since this is a massive place. There are English-language tours available.

The National Archaeological Museum, in Exarchia, is home to Ancient Greece’s most spectacular pieces. One room contains Schliemann’s finds from Mycenae, another has the famous frescoes from Santorini on display. There is also a fine collection of idols from the Cyclades and ceramics from all parts of the Mediterranean. The star of the museum is the Antikythera Mechanism, an ancient hand-powered orrery, described as the oldest example of an analogue computer used to predict astronomical positions and eclipses decades in advance. This scientific marvel is dated somewhere between 205 and 60 BCE.

One of the newest urban developments in Seoul, the state-of-the-art Dongdaemun Design Plaza contains a Design Museum and Exhibition Hall, shops and markets, as well as several other important sights, such as the Seoul Fortress and the Igansumun Water Gate.

Trickeye Museum is an interactive museum with paintings which are created with 'trompe l'oeil' (eye-tricking) techniques that give each 2D art piece the impression of being in 3D. This allows you to interact with the paintings in a way that makes it look like you are part of the original work.