The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

A sweet symbol marks the place where torturous executions were once carried out.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Have a seat with the father of modern computing at this Manchester monument.

A remarkable feat of Victorian engineering across the Firth of Forth.

Wander around the extensive remains of this 12th-century medieval church.

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

This giant wooden treehouse within a sprawling garden has its own eatery.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

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.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

A fantastic castle rumored to be the birthplace of King Arthur.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

The world's largest collection of witchcraft regalia.

This antique prison is a tourist attraction with a sordid past.

The colorful stairs are made with marble from the world's major quarries.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

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