These enigmatic columns tower over the ruins of an ancient Toltec city.

These excavated burials from the Tarim Basin are wrapped in mystery.

This secluded walkway overlooks a magnificently wild London green space.

A brilliant turquoise lake in the mountains.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

This Neapolitan exhibition hall grants weird and wonderful insight into the intricacies of human biology.

Poet William Blake penned some of his most famous work during his brief stay at this beloved country cottage.

This old Victorian bathhouse is fed by an ancient spring.

A fascinating assortment of cave dwellings, medieval ruins, and sarcophagi are being devoured by the forest.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

The oldest surviving glass furnace cone in Western Europe.

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

Home to one of the tallest church spires in Europe, this historic church once played host to King Henry VIII and Anne Boleyn.

Experience what life was like in Ireland during the Viking and medieval ages.

Each spring this woodland floor is carpeted with purplish flowers as far as the eye can see.

A hundred-year-old museum filled with giant physics toys and experiments designed by grad students.

Dakar is home to one of the oldest African art institutions in West Africa.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

These 1,500-year-old remains were found in a mysterious Anglo-Saxon mass grave.

Grab a cuppa at England's first and only domestic tea plantation.