This bewitching Babylonian goddess haunts a hallway of the British Museum.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The cedar tree in Highgate Cemetery earned its title by accident.

This luxury shopping lane has been protected by its own tiny police force for over a century.

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

A Roman spa buried deep beneath the City of London.

Giant, friendly pelicans in Central London, the most unlikely of places.

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

This coffee shop lies hidden beneath a historic church.

One of the world's largest collections of pathological specimens.

The remains of Crystal Palace Great Exhibition of 1851.

This hidden green space is the city's second largest conservatory.

Remnants of a Victorian garden feature sitting in public woodland.

The curios of pharmacist and collector Henry Wellcome.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This nondescript building hides an entrance to an underground nuclear tunnel system.

This dreamy street will transport you to wintertime in Victorian England.

This Manchester laundromat is hiding something.

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

In one Santa Monica parking lot a mushroom cloud made of chains heralds a message of peace.

More than 700 species live within this murky marvel of a swamp on California's coast.