For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

The remains of a concrete ship sit on a sandbank between Ballina Quay and Belleek Woods.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A 18th century graveyard and its astonishing cortege of macabre iconography.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The fences outside some of South London's estates are made from recycled World War II stretchers.

A quiet memorial to those who died saving others in the heart of the City of London.

A tiny replica of the iconic London landmark hides on the side of the steel structure.

An architectural oddity hides in plain sight on this iconic London bridge.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

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

A naturally mummified 2,000-year-old man.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

One part local history, 99 parts gruesome haunted house.

Eighty million natural history specimens call this gargantuan museum home.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The lake that fills and empties itself at random.