Rebuilt remains of a temple to Roman god Mithras.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

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

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

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

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

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

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

A building that survived WWII, possibly on the virtue of its name alone.

Remnants of a Victorian garden feature sitting in public woodland.

Residential building on the Regents Canal is a breeding ground for creativity and innovation.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

A museum wholly devoted to juvenescence.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

This London plaque marks the spot where David Bowie's famous alien made his debut.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

Iceland's tribute to its thankless civil servants.