Dromberg looks great and Stonehenge is definitely far too crowded with tourists[0] but with respect to age Dromberg is considered to be 3000 years old [1] versus Stone henge being 5000 years old [2]

I will resist the temptation to joke about time travelling aliens

0 - Why do the tourists have so many Disney shirts, hats, and backpacks???

1 - https://www.tuatha.ie/drombeg-stone-circle/

2 - https://www.english-heritage.org.uk/visit/places/stonehenge/...