It was planned in the 1820s as a symbol of Scottish national pride and designed as a mini-Parthenon, in deference to the neoclassical style popular at the time.
( It ( ( was ( ( ( ( planned ( in ( the 1820s ) ) ) ( as ( ( a symbol ) ( of ( Scottish ( national pride ) ) ) ) ) ) and ) ( ( designed ( as ( ( ( a mini-Parthenon ) , ) ( in deference ) ) ) ) ( to ( ( the ( neoclassical style ) ) ( popular ( at ( the time ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBD was) (VP (VP (VBN planned) (PP (IN in) (NP (DT the) (NNS 1820s))) (PP (IN as) (NP (NP (DT a) (NN symbol)) (PP (IN of) (NP (JJ Scottish) (JJ national) (NN pride)))))) (CC and) (VP (VBN designed) (PP (IN as) (NP (NP (DT a) (NN mini-Parthenon)) (, ,) (PP (IN in) (NP (NN deference))))) (PP (TO to) (NP (NP (DT the) (JJ neoclassical) (NN style)) (ADJP (JJ popular) (PP (IN at) (NP (DT the) (NN time))))))))) (. .)))
The Parthenon does look similar to this design.  
( ( The Parthenon ) ( ( does ( look ( similar ( to ( this design ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Parthenon)) (VP (VBZ does) (VP (VB look) (ADJP (JJ similar) (PP (TO to) (NP (DT this) (NN design)))))) (. .)))