A museum wholly devoted to juvenescence.

Follow the original medieval paths that wind through this intriguing section of the city.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

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

Fascinating town where normal life interfaces with the occult.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Museum about life, death, and cannibalism in the Stone Age.

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

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

A modern English garden of eccentric beasts, follies, and oddities.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

The largest greenhouse in the world is home to over one million types of plants.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

The final resting place to 300 Victorian-era pets hides inside the city park.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

The anatomical-pathological collection of a man who changed surgery.

The curios of pharmacist and collector Henry Wellcome.

Famously misunderstood wonder of the ancient world

360° views of the city plus five floors of optical illusions and hands-on science.

The world's largest collection of witchcraft regalia.

The sign at the garden gate reads: "These Plants Can Kill."

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."