Legend says this sacred tree was a gift from goddess Athena.

The ruined doorway is a portal to the building's turbulent and torturous past.

An ancient octagonal weather station named for the eight Greek gods of wind.

Luminaries of all stripes have sipped strong Greek coffee at this cafe since 1839.

An ancient site that has revealed incredible artifacts including portions of the Themistoclean Wall.

This century-old, family-run bakery specializes in loukoumades, a Greek doughnut once served to ancient Olympians.

A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

This Ottoman-era Greek Orthodox Church was built to honor Agia Pareskevi, a Christian saint.

This statue of one of the engineers who created the London Underground hides a ventilation shaft for the tube lines that run under the street.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Preserved behind glass, the ruins of a medieval building used to store human remains.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

This pub boasts a curious history and may have inspired a Dickens character.

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

This sprawling, Brutalist estate feels like a city within a city.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

A legend says that if this elaborately decorated glass breaks, the good fortune of its owner's household will also disappear.

Hidden in the courtyard of the Victoria and Albert Museum is a little-known tribute to two celebrity pooches.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

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

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

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

This museum inside a museum tells the story of London's timepieces.

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