The gigantic skull of a long-extinct species that once roamed the forests of England and Ireland.

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

A secluded green oasis amidst the towering skyscrapers, bears an unusual moniker that reflects one of the city's oldest guilds.

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

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

A mysterious shape catches the eye in this 16th-century painting.

Overlooking the seaside town of Margate stands a tribute to an artist's lover.

Grotto replete with mystical designs laid out in glued shell mosaics.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

Dictionary Johnson’s favorite feline.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

The largest of London's subterranean rivers and once a mad, bad center of London life.

This Underground station has been a popular filming location for decades, even before it closed.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A living memorial to the trees London lost during the Great Storm of 1987.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

A series of carved figures that scandalized British society.

England's most famous front door has an accidental doppelganger.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

These ornate arches show how the course of the River Thames has changed.

This ancient Egyptian obelisk still bears the wounds of World War I.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This 1920s Dutch barge is now a floating bookstore.