the newly-opened park is such a beautiful place that it is w

e worth doing
很少用being done

因为be well worth doing 就含有被动的意思.一般用be well worth doing.

例如the book is well worth reading.
值得我们参观 主语是 人 我们.所以为主动
值得被参观 是汉语的说法 英语为名词 .
比如
A bad plan unworthy of our consideration.
不值得被我们考虑.

想用被动则为
worthy of being chosen especially as a spouse.