autumn colors park parkway trees walking way bloom flowers London path petals plants regent regent's road street architecture atmospheric classic gardening germany landscape leisure old rural town wall tree walk wernigerode bushes calm clouds countryside distance grassland green idyllic meadow nature peaceful perspective quiet relax rest scenery sky spring blue enter entrance gateway high lonesome plains portal tall canada cliff conifer destination direction empty forest highway Icefields Parkway mountain mountains natural open range route snow tarmac travel berlin