Istanbul is crammed with quality free sites. You can feast your eyes on free art, or sit in a square and enjoy free music. You can explore parks where tulips nod in their thousands, or gaze upon Ottoman mosques, palaces or mansions. You can learn about a city’s history, or step inside the home of one of its most famous inhabitants. From museums to beaches, we have compiled a list of the very best cultural, historical and leisure attractions available to all in the city.