An 800-year-old island castle in Guernsey's main harbor.

A statue erected in honor of the toadish nickname given to Jersey residents by the French.

The castle still holds traces of the abandoned Roman fort it was built atop.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

Stroll through Welsh history in a village of reconstructed structures.

This bunker in northern France was built by Nazi German forces with the intention of launching up to 50 V2 rockets at London each day.

This residence straddles a border between Belgium and the Netherlands.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

Tintin's creator is celebrated in an immersive museum that's an astounding work of modern art.

Theme park featuring miniature replicas of European monuments.

Climb inside an iron crystal magnified 165 billion times its normal size.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

A little slice of Japan and its aesthetics in London's Holland Park.

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

Eighty million natural history specimens call this gargantuan museum home.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

Charles Babbage's proto-computer, painstakingly brought to life.

A clock designed to run with perfect accuracy for 10,000 years.

Legends say that this Art Deco apartment building almost became Hitler's British headquarters.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

It is against the law to obstruct the view from the top of this English burial mound.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

This site was once home to Henry VIII and Elizabeth I.