An eerie collection of the surviving structures from a past celebration of the future.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

The final resting place of the great navigator, or maybe his brother.

A 16th-century Andalusian palace.

Drink the 'Blood of Christ' in this Roman Catholic fever dream.

The world's largest wooden structure.

A museum dedicated to the history and exploration of both popular music and science fiction.

China’s breathtaking futuristic library is lined floor to ceiling with fake books.

The final resting place for the famed creator and narrator of "The Twilight Zone."

This peaceful park saw the beginning of an extraterrestrial invasion in H.G. Wells's 'The War of the Worlds.'

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

World War II air raids over Bristol dislodged this fragment of tram line that ended up embedded in a churchyard.

These 2000 year old remains of a Roman aqueduct are hidden inside a hotel lobby.

Twenty carved heads in Glasgow take a comical, modern twist to the medieval apotropaic, avenger of evil.

A mysterious suspended hand greets unsuspecting visitors at the Tower of London.

Look up from the busy streets to discover how time is kept!

This 19th-century prison once held Irish revolutionary Constance Markievicz, writer Frank O’Connor, and a nine-year-old pickpocket.

The painting on an aptly named street honors the 1980s slasher movie.

Several colorful mosaic panels depict the life and creative genius of the Master of Suspense.

This mysterious pyramid is said to be part of a complex web of occult and Freemason symbols.

A jumble of concrete on the corner of one of London’s terraced buildings is actually a work of art.

In memory of the assassinated, now-canonized Salvadoran archbishop who is the namesake of nearby Romero Place.

A letterpress workshop committed to the art of printing, with unique and creative designs.

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.