The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

A monument dedicated to the unrecognized Black "mother" of modern medicine.

The oldest residential street in Europe also features an optical illusion.

The modern birthplace of Irish freedom.

Almost too short to be an actual street, this stretch of road maintains a unique moniker.

This larger-than-life lime green gummy bear sits in the middle of a roundabout in Spain.

One of Madrid's most beloved statues is of an anonymous citizen.

Legend has it that Bishop Oliver King dreamed of angels ascending to heaven and ordered the church's reconstruction in the late 1400s

This limestone Temple Ornament was created from the relics of St. Mary's Chapel

The Bristol Tapestry is a 22-meter artwork depicting 1,000 years of the city's history, created in the 1970s by over 90 local contributors

This statue that honors King Bladud dates from 1859 and, after being kept in storage for many years, was renovated and moved to the Parade Gardens in 2009. The statue of a pig was added at the same time

Originally made for a film, this replica plane hangs from the ceiling in the front hall of the Bristol Museum and Art Gallery

Emblematic Madrid bar founded in the 1930s that is a testament to times gone by

This engraved safety pin has possible links to the haberdasheries located in this humble square

A concrete masterpiece that looks part fortress, part bullring, and part science-fiction relic

Installed in 1938, this was the first moving neon sign in Bristol

This sculpture is a reminder of the old lamplighters of Madrid, a profession that is now extinct

Most likely the largest and best-preserved dolmen in the Basque Country

This metal tree with multidirectional solar panels offers free Wi-Fi and mobile phone charging stations

Bristol’s narrowest street is a ‘Hidden Gem’ for stunning street art

Once a forgotten corner of a winery, this space was transformed into a striking example of contemporary muralism when Australian artist Guido van Helten was invited to reimagine it

Used as an example in one of the first dictionary entries for "museum" in 1706.