A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

A friendly pub with a sordid past in cock fighting.

This secluded walkway overlooks a magnificently wild London green space.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Rebuilt remains of a temple to Roman god Mithras.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

The sculpture of the deceased cockatoo flops atop its personal plinth.

The plunge pool is a surviving relic of a rowdy royal residence.

The commemorative stone column conceals a secret laboratory.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

The pockmarks across the building's facade are remnants of the Blitz.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

A tribute to all the green-thumbed workers who tend London’s public parks and gardens.

A marine aquarium with an astounding variety of fish hides in the basement beneath the famous Palm House.

A kaleidoscopic warehouse-maze of handmade neon signs.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

This peeling mural of Adam and Eve was inspired by the greenhouses at Kew Gardens.

A network of concealed passageways lies within a busy London Underground station.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.