An ancient healing font dedicated to an 11th-century matriarch was moved to make way for progress.

The oldest floral clock in the world still functions today.

Scotland's claim to the prime meridian was laid 200 years prior to the one in Greenwich.

Check the time in 145 countries at once with this East German relic.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

One man's journey to return a stone to its point of origin after 200,000 years.

To enter this cluttered-yet-cozy sanctum of Belgian brews, ring the bell and tell the gatekeepers you've come “to taste beer.”

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

A centuries-old complex of hand-dug stone chambers has sheltered locals in times of trouble.

Down this yellow brick road, visitors are treated to toadstool houses and massive mushroom sculptures.

Glimpse into the life cycle of the European lobster and the work being done to protect them.

Sweden's first Viking city is also the site of thousands of burial mounds.

London’s first road overpass is so old that it was originally built for horse-drawn carriages.

A relic of Victorian grandeur hides beneath a busy South London road.

The remains of Crystal Palace Great Exhibition of 1851.

Abstract dinosaur models in London.

Pop culture has helped to keep this iconic British building from being destroyed.

The first regular high-definition TV transmissions were made from this seemingly out-of-place mast located on one corner of a Victorian-era entertainment venue.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This stone tower was built to protect Crete from incoming pirates.

A place steeped in history that may be best known as the set of a 1960 film.

The blowhole bursts spectacularly right next to the buildings in a medieval seaside town.

This pedestrian footbridge honors Pero Jones, an enslaved African who lived in Bristol.