A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

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

A kaleidoscopic warehouse-maze of handmade neon signs.

On the eve of a condemned prisoner's death, this bell rang 12 times outside their cell.

The fences outside some of South London's estates are made from recycled World War II stretchers.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This striking statue brings a scene from the African savannah into central London.

The monster at the center of the Darwin Center Spirit Collection.

Repository for more than 22 million pickled specimens.

Be on the lookout for the symbolic insect all over the city.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

Have a seat with the father of modern computing at this Manchester monument.

The little-known second castle that William the Conqueror built in York.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

The sculpture of the deceased cockatoo flops atop its personal plinth.

This historic building displays the remains of a victim of the devastating 14th-century plague.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

These morbid carvings remind churchgoers of the inevitability of death.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

Victorian-era Londoners really wanted to believe this 17th-century cistern was actually an ancient artifact.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

Where condemned pirates met their grisly end at the gallows on the River Thames.

One of the last remnants of the Bessemer process that revolutionized steel production during the industrial age.