This charming, narrow-gauge railway in the Thames Estuary is sometimes referred to as the "Train to Nowhere."

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

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

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

This aging storage facility is the world's largest brick warehouse.

The quiet field that inspired one of the most famous songs of all time.

The Liverpool street made famous by the Beatles is real.

The final resting place of George Washington's Grandma.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

This subterranean necropolis holds three floors of antler-dug grave caves.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

This unique building in the main square stands out among the city's typically Baroque architecture.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.