Linz Botanical Garden is not big, but not only does it have a lot of interesting plants, it is the best maintained garden I have seen.  2018.

A large display of carnivorous plants.

Large house with "a jungle".

Pond.

Lithops.

A lot of marmelarias.

Part of the cacti- and succulent house.

More C&S.

More C&S.

Real  nice garden.

Nice ponds.

So well maintained.