Doors Open Day takes place in different places on different weekends during the month. Edinburgh’s turn is on Saturday and Sunday 27 and 28 September.
More than 100 sites in the Capital will throw open their doors on one or both days that weekend and may offer guided tours, special activities or talks by experts.
Doors Open Day is billed as Scotland’s largest free festival that celebrates architecture, culture, and heritage.
Midlothian has its Doors Open Day this weekend, 13 and 14 September. And West Lothian is next weekend, 20 and 21 September.
We’ve already featured 29 Edinburgh buildings you can visit on 27 and/or 28 September. And here are another 25. Look out for more to come.

17. James Clerk Maxwell Foundation
The foundation is based at the birthplace of Scotland’s greatest theoretical physicist James Clerk Maxwell (1831-1879), whose work on electricity, magnetism and light paved the way for electronics, radio, TV, mobile phones and more. On display will be artefacts, memorabilia and posters relating to his work and life. Address: 14 India Street, EH3 6EZ. Open: Saturday and Sunday, September 26 and 27, 12-4pm. | Scottish Civic TRust

18. Kinneil House
This 16th century house near the end of the Antonine Wall in Bo'ness is associated with the powerful Hamilton family and steam engine pioneer James Watt . Visitors will be able to explore the house and meet the Roman Antonine Guard, try their hand at flint knapping and sample Roman baking. Medieval reenactment group Britannia XIV will demonstrate crafts and skills of the time. Address: Provost Road, Bo'ness, EH51 0PR. Open: Saturday, September 26, 10am-4pm. | Scottish Civic Trust

19. Lauriston Castle
Set among beautiful gardens and with stunning views across the Firth of Forth, Lauriston Castle is a 16th century tower house with 19th century extensions, and early 20th century interiors. Visitors have the chance to wander through some of the rooms and see the collection of furniture, prints and object d’art left to the nation by the final private owners in 1926. Address: 2a Cramond Road South, EH4 6AD. Open: Sunday, September 27, 12-2.30pm.

20. Leith School of Art
Leith School of Art is an independent art college offering high-quality art education for everyone, from year-long courses to short courses and workshops. The college invites people to a free, family-friendly creative drop-in session and enjoy making art together. Address: 25 North Junction Street, EH6 6HW. Open: Sunday, September 27, 11am-3pm. | Google

