An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

Eighty million natural history specimens call this gargantuan museum home.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A hands-off space for graffiti artists to hone and display their skills.

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

Old Tudor home moved on thick iron rails to a new spot.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.

To literally keep their waste out of their own backyards, the citizens of this English city built an impressive sewer system that is still in use today.

Regency-era excess on the English Coast.

Decrepit Victorian public lift is a white-knuckle ride.

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

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

Catacombs turned marketplace.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

What once sat in the world’s spotlight is today a largely disused ghost complex.

Where commuters walk through remnants of an ancient Greek necropolis.

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

An incarceration museum on the spot of possibly the oldest prison in England.

The curios of pharmacist and collector Henry Wellcome.

The remains of the great moral philosopher reside in a university in London.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

Giant, friendly pelicans in Central London, the most unlikely of places.