The Marmari go karting track is roughly 500m long with a mix of fast straights and tight corners, it's also wide enough to allow plenty of overtaking without being dangerous. There's an outdoor spectators area and an indoor area with snacks and drinks.
Paleo Pili is the ruins of a Byzantine castle close to the middle of Kos island. Around the site you’ll find a couple of different walking paths, one leads up to the castle itself and passes by an old church. The other heads down to the cafe.
The Roman Odeon is found just outside the centre of Kos Town. The original Odeon dates back to around the first or second centuries AD. It consists of 14 rows of seats, 9 of which were restored in the 1990s with only the top 5 rows left as they were.
The Alikes Salt lake is a vast wet land on the north coast of Kos between Tigaki and Marmari. The salt lake is huge, in total it covers an area of around 800,000 m² and is home to a lot of wildlife including flamingos and other migratory birds.
The traditional house of Antimachia was built in the 1980s but is a recreation of the islands traditional houses from the early 20th century. It’s made entirely of stone and consists of a single story building with a walled courtyard that’s filled with potted plants.
The Basilica of Saint Stefanos is located right next to the beach of the same name towards the south of Kos island. The basilica isn’t particularly big, just 1500 square metres and consists of some walls, lots of column pieces and a mosaic floor piece.
Casa Romana is a traditional Roman villa that’s been partially restored. The house is believed to have belonged to a wealthy family and dates back to around the 2nd or 3rd centuries. Entrance is 6 euros and includes an informative audio tour.
Eleftherias square is one of the busiest meeting places in Kos town and sits just off the main road that runs along the side of the harbour. Eleftherias square is a nice area to sit and have a drink or a meal and is also home to the Archaeological Museum.
Hippocrates Garden is a cultural centre and reconstruction of a traditional 2 story villa built as a replica of the types of houses that would have existed in the 5th century B.C. There’s also a philosopher’s arcade a stone built theatre and gorgeous gardens.
The Hippocrates tree is a large Plane tree found in Kos Town. Legend has it that Hippocrates taught medicine to his students under the shade of this great old tree. Today the tree looks a little sad as it’s split in half and is held up by scaffolding.