The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

The scene of the United Kingdom's most famous UFO incident, dubbed the "British Roswell."

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

It's believed Matilda Fitzwalter's life was the basis for the famed literary figure.

This 400-year-old house tells a tale of witchcraft and woodwork.

A medieval church built up to defend its village.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The 1940s structure houses what was once Europe's largest telescope.

This old medieval prison tower has been a site of astronomical research for more than 250 years.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

This iconic Peak District ridge was once one of the busiest roads in medieval Britain.

A surrealist labyrinth and museum of contemporary sculptures.

A French library that makes sure its love of books is writ large... giant in fact.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

One of Edinburgh's most popular works of street art is located well off the beaten path.

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

A memorial commemorating the only Scottish police investigation into an extraterrestrial incident.

This hill nestled in the Scottish lowlands was a ritual site for over 4,000 years.

Walk or bike along a narrow strip of Belgium sandwiched by German territory.

The origins of a large, medieval castle are shrouded in mystery, but now it's a delightful garden.

Europe's largest dinosaur museum was founded by a passionate autodidact.