A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

A silly medieval mural preserved on the side of a Viennese house.

An army of sleeping knights sculpted by a self-taught local artist beautifully depict an old Czech legend.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

These particularly resplendent rodents are the state animal of Maharashtra.

Catacombs turned marketplace.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

This small collection of rare books was uniquely locked up for safe keeping.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

London's largest outsider art museum.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Collection dedicated to brands, packaging and advertising.

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

Abstract dinosaur models in London.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

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

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

Eighty million natural history specimens call this gargantuan museum home.

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

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.