A concrete mushroom that divided Stockholm residents for nearly a century.

Finally reunited, the three effigies now stand in a museum courtyard.

A medieval abbey featured on 'Game of Thrones' that dates back to the 12th-century.

Step into Narnia at this small park featuring statues from "The Lion, the Witch, and the Wardrobe."

The ruins of a once-grand mansion in Northern Ireland are now thought to be haunted.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

These Victorian era devil sculptures were designed to spite a local vicar.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

These morbid carvings remind churchgoers of the inevitability of death.

Where condemned pirates met their grisly end at the gallows on the River Thames.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

This coffee shop lies hidden beneath a historic church.

A historic arboretum and non-conformist, non-denominational park cemetery.

Giant, friendly pelicans in Central London, the most unlikely of places.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

Repository for more than 22 million pickled specimens.

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

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.