This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A historic house left in "dramatic still life."

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

This 1920s Dutch barge is now a floating bookstore.

Catacombs turned marketplace.

One part local history, 99 parts gruesome haunted house.

Eighty million natural history specimens call this gargantuan museum home.

Banksy gives themself artistic license with this piece of London street art.

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

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

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

A kaleidoscopic warehouse-maze of handmade neon signs.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A tree planted by Marie Curie is treasured by the Radium institute that she set up.

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

Once overlooking the town, this church now resides on a permanent tilt.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

This mysterious and once-grand memorial still embodies a remarkable architectural vision.

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

Enormous sandstone towers loom within a Czech forest.