The metal bird, nicknamed "Sandy," stands nearly 40 feet tall and is an homage to the birds that migrate through North Dakota every year.

An underground blaze turned this village into a ghost town.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The longest cutting on the M62 contains some surprises—though it's best to leave the motorway to appreciate them.

The house in the middle of the motorway.

Semaphore saints, a golden dragon's head, and a stone carved with religious warnings all call this cathedral home.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

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

Seat of the Duke and Duchess of Devonshire for centuries.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

The Tudor-style cottage in the middle of the square is not quite what it seems.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

The bones of two medieval royal lions were discovered at the historic fortress.

Eighty million natural history specimens call this gargantuan museum home.

Repository for more than 22 million pickled specimens.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

This striking statue brings a scene from the African savannah into central London.

A network of bells in the pubs and restaurants around Westminster alerts politicians when it's time to cast their votes.