This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

Manchester's abandoned train depot lingers in a post-industrial purgatory.

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

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

The tower was originally used as a chimney for the waste incinerator of St Johns Precinct and Market.

Pyramid shaped monument with a tall tale attached.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

An unusual number plate signifies the building's saucy past.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

This museum houses an imposing skeleton army comprised of creatures great and small.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

A haunting collection of the vanished and disappearing natural world.

The celebrated eyesore created by starry-eyed sweethearts.

The oldest stone house in Paris was built by its most famous alchemist.

Indents in the pavement are all that remain from a grisly death machine in Paris.

How did a French journalist’s grave become the sexiest statue in the cemetery?

France's most famous cemetery, with some of its most curious tombs.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.