A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.

At just 51 feet and 10 inches long, it's the shortest street in England.

This medieval castle is filled with an eccentric collection that ranges from ancient Egyptian artifacts to taxidermy to a mummified hand that was cut off during a duel.

A 16th-century footpath said to be haunted by a young girl that died trapped within its misshapen old house.

This imprint of an old computer keyboard has a unique backstory.

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

This modern pedestrian bridge on the Yarra River was modeled after an Aboriginal fish trap.

Not the result of an accident, hurricane, or aliens, this is an eye-popping tribute to the Melbourne tram.

This 19th-century convent is now a flourishing 21st-century hub for art.

Every hour a secret compartment drops from this giant pocket watch, revealing a lovely surprise.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A letterbox installed specifically for the first editor of the Oxford English Dictionary.

This Norman castle was once the site of a Victorian-era prison, and now exists as a luxury hotel.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

The medieval woodcut-style artwork chronicles life in medieval London.

Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.