As peoples perception of nice is different, i’ll give a couple of options
- technology -> Estonian aviation museum - nature -> Taevaskoda / haanja region / elistvere nature park / ice age center / drive on the coast of lake peipsi (and “sibulatee” - onion route)
https://drive.google.com/open?id=1CP8zAlCHyg1DLrzvudbX7CGAuIs&usp=sharing