One of the oldest libraries in England, and one of the last of the great medieval chained collections.

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

Unusual British home built to disguise a water tower.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

This oak sculpture at the edge of a small woodland is nine feet tall and shrouded in mystery.

The ruins of a medieval seminary some say is the oldest university site in Scotland.

An open air haven for tropical monkeys in the damp moors of the English country.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

The collection contains over 25,000 items and details the painful dental practices of the past.

This secret garden has bloomed into London's most unique hub of urban creativity.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

More than a million titles fill the labyrinthine shelves of this prestigious private library.

The Liverpool street made famous by the Beatles is real.

Built by the patron saint of illusionists this Elizabethan manor house is riddled with secret cubbies for hiding priests.

An eccentric aristocrat brought these Australian natives to their current Scottish home.

Black cat statues guard this temple-like Egyptian revival factory.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

The cedar tree in Highgate Cemetery earned its title by accident.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

Eclectic final resting place of the controversial explorer.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.