South of Bologna, a limestone grotto with a protruding waterfall and a floor full of cave pearls.

A massive glacial deposit that includes a carved staircase to reach the top.

The phone booths in this English town have distinctly milky hues.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

A beautiful medieval bridge allegedly constructed by the Devil.

These ancient rock graves were featured on the cover of a Black Sabbath compilation album.

A limestone sculpture of a praying man resides over the site where 23 Chinese cockle pickers died.

Where Agatha Christie mysteriously disappeared in 1926.

Oliver Cromwell marched his army over this narrow bridge to victory at the Battle of Preston in 1648.

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

What looks like missing grout is actually an old pub's peephole.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The largest preserved walking dragline excavator in Western Europe.

These legendary stone steps were once used to haul coffins up the rockface.

This rare aquatic phenomenon is one of the more accessible tidal bores in Morecambe Bay.

This unique style of bridge is the last of its kind and runs over the straightest canal in Britain.

This museum dedicated to the famous comedy duo is located in the town where Stan Laurel was born.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

This region of the Perugia municipality has an unforgettable name.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

Venice's island of the dead.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.