Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A corkscrew-shaped barn in Ireland.

This fantastical house shaped like a seashell brings aquatic design to architecture.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

The ancient tomb acts as a calendar that keeps perfect time.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

England's most famous front door has an accidental doppelganger.

A series of carved figures that scandalized British society.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

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

The medieval woodcut-style artwork chronicles life in medieval London.

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

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

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

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

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

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.

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