A mysterious ruin shrouded in more folklore than fact.

This sculpture commemorates Edinburgh's sister city and their respective celebrity dogs.

This Roman relic was discovered in Scotland by a mudlarking ferryman.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Once home to a Scottish baronet, this 18th-century historic house doubles as a legendary art space.

It's a mystery how these curious columns wound up in an Edinburgh suburb.

This small museum in a 17th-century building honors three iconic Scottish writers.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

This South London cemetery holds the remains of more than 15,000 people.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

The view that inspired the scenes of Dracula's first landing in England.

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Follow the original medieval paths that wind through this intriguing section of the city.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Catacombs turned marketplace.

This secret garden has bloomed into London's most unique hub of urban creativity.

A haunting painting meant to capture the calamity of World War I.

A discarded movie prop that was the original monolith for "2001: A Space Odyssey."

The Great Fire of London and the regulation of one-way streets both started in this alley.

A plaque marks the underground site of one of London's "lost rivers."

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

The commemorative stone column conceals a secret laboratory.

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