Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

Part shoe store, part sociopolitical art gallery, part zoo.

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

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

London's smallest police station is barely the size of a phone booth.

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

The signs of a long buried road can still be found hidden beneath a London sewer grate.

Look up from the busy streets to discover how time is kept!

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

On a wall in linear London, a plaque hangs at the high water mark of one of the worst floods in fictional Kcymaerxthaereal times.

The world's longest continuously running show has played at this small West End theater since 1974.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A mountaintop shrine-temple guarded by a horde of half-demon priests.

A unique bridge with an equally unique view.

The prototype for all Nazi concentration camps.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

The bizarre headgear looks like it was made for a fool, not a king.

One of three sites in England that house the National Collection of Arms and Armour.

The final resting place of England's most notorious bandit.

This medieval church is not only notable for its architecture, but also its connection with LGBTQ+ history.