Buddha shrines hide within dark tunnels at this unique forest temple.

This public park was the site of the largest civilian disaster of the Civil War.

One couple’s bespoke castle is one of Pittsburgh's most fashionable dining spots. 

Macabre astrological automaton clock dating to the late 1400s.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

A series of playful yellow penguins share a serious message about the environment.

A grumpy old water goblin guarding an old mill on the Devil’s Stream in Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

Designed as a reminder of one of the darkest moments in Austrian history.

Baroque celebration of the end of the Great Plague of Vienna.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A park where you can watch the highway zoom past.

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

This Indianapolis landmark offers a secret panoramic view of the city. 

A monument to the King's final show, complete with a time capsule.

This stately clubhouse has showcased German-American culture for over a century.

This multisensory alley has the ability to remind bustling citygoers to stop and smell the roses.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

Nature and art meet in this curvy creation