This abandoned bridge over the River Irvine may be the oldest surviving railway viaduct in the world.

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

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

Pop culture has helped to keep this iconic British building from being destroyed.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

A network of concealed passageways lies within a busy London Underground station.

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

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Abstract dinosaur models in London.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

One of the world's largest collections of pathological specimens.

The largest of London's subterranean rivers and once a mad, bad center of London life.

The remains of Crystal Palace Great Exhibition of 1851.

An incarceration museum on the spot of possibly the oldest prison in England.

Hear the quietest sound from across the dome.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

Built during the Scottish boom in the oil industry, the village was never inhabited.