Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

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

This unassuming building produced some of the world's most famous bells.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

A domino effect created with Britain’s iconic telephone boxes.

An abandoned jewel of a ballroom on the top floor of Australia’s busiest rail station echoes with the sounds of a bygone era.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

The beautiful non-repeating pattern honors the Oxford professor who discovered it.

An artistic tribute to the famous singer, just around the corner from where he was born.

Enter this small nook and you'll be surrounded by 360 degrees of street art.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

The sculpture of the deceased cockatoo flops atop its personal plinth.

London's old-school healing garden.

London's smallest police station is barely the size of a phone booth.

400-year-old garden, restored to beauty.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The longest hedge maze in the world.

The sign at the garden gate reads: "These Plants Can Kill."

Tourists who rely on a transit map to find the iconic Beatles location often end up in a far-off neighborhood.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

This coffee shop lies hidden beneath a historic church.

London's marvelous wildfowl reserve along the Thames.