A historic house left in "dramatic still life."

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

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

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

Historic church where a number of Shakespeare's actors are buried.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Two plaques commemorate the site of Shakespeare's first theatre.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

Rebuilt remains of a temple to Roman god Mithras.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

This ruined folly was originally built to honor a failed American state that would have become "Westsylvania."

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

The largest earthwork effigy in the world.

The angel of death appears to weep black tears at this grave marker.

An enormous natural sandstone bridge in Kentucky.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.