Some sites will require free tickets booked in advance, while some will allow visitors to simply turn up.
From a buddhist meditation centre to a croquet club to a busy courtroom, below are some ideas for places to visit this Saturday and Sunday.
5. Police Box
This police box, commissioned in May 1933, was one of about 100 produced to the 1929 design of City Architect Ebenezer James MacRae. It still has its original interior fittings. Northfield Broadway, junction with Mountcastle Drive North, EH8 7SA, open Saturday 10am-5pm.
6. Cottage in West Princes Street Gardens
The C-listed Victorian cottage below the floral clock in West Princes Street Gardens was originally the Head Gardeners house, but is now the base the Quaich project, a partnership between the Council and Ross Development Trust. West Princes Street Gardens, open Saturday and Sunday 10am-4pm. Advance booking essential via www.doorsopendays.co.uk.