This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This Chinese museum proves that it's a watermelon world, we're all just living in it.

A heartwarming message to those entering and departing Music City from above.

This sidewalk tribute honors Colorado's great culinary creation.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

An annual festival celebrating Colorado's most famous frozen corpse.

“You better take care of me Lord, if you don't you're gonna have me on your hands.” ― Hunter S. Thompson, Fear and Loathing in Las Vegas.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Giant, friendly pelicans in Central London, the most unlikely of places.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

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

The television series' iconic giant foot was borrowed from this classical painting.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

On a wall in linear London, a plaque hangs at the high water mark of one of the worst floods in fictional Kcymaerxthaereal times.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.