The last Victorian market in Belfast.

A museum marks and documents the site of the Titanic's launch.

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

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

East London art gallery showcasing contemporary art from Europe's Eastern Bloc.

A comic book store that puts the marvel back in marvellous.

Three small rooms at the back of the “official” church of London's clowns.

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

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

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This 1920s Dutch barge is now a floating bookstore.

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

The first regular high-definition TV transmissions were made from this seemingly out-of-place mast located on one corner of a Victorian-era entertainment venue.

London’s first road overpass is so old that it was originally built for horse-drawn carriages.

Despite the name, this ancient piece of crystal may not have been a lens at all.

One of London's lost rivers runs through a pipe over the tracks of this subway station.

You can still see bits of the camouflage used to hide this Art Deco building from bombers during World War II.

A quartet of tiled art pieces adorn the floors of this prestigious art museum.

This sculpture encompasses the emotion of rail travel.

These stained-glass windows are all that remains of a building that was the target of one of the biggest explosions in London after World War II.

A masterpiece of Art Deco architecture hidden in plain sight in West London.