Kadriorg
Once you visit the modern art museum, Kumu, you happen to be a stone's throw away from this lovely building; Kadriorg Palace. It was built by Peter the Great for Catherine I of Russia (1718) and later redone by Nicolas I (1827) [Wikipedia].
Entrance to Kumu Museum of Estonian Art. The museum is the result of the Estonian dream to have their own art museum. It was designed by Finnish...
Thanks to all Phoide contributors to Kadriorg!
Most notably Adelheid Smitt, Andrey Sulitskiy and Rob Oo.