Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A surreal statue honoring Prague's favorite literary son.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Macabre astrological automaton clock dating to the late 1400s.

Looming communist pillar with a Czech twist.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

Two stunning 17th-century libraries and a cabinet of curiosities.

Microscopic scenes; some call it novelty, some call it art.

Steadily reminding Czechia of its past.

The oldest garden in Prague, once part of an medieval orchard.

This automated sculpture of two men peeing will spell out text messages with their micturition.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

A series of playful yellow penguins share a serious message about the environment.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

This overlooked street light once served as a KGB dead letter box.

The curios of pharmacist and collector Henry Wellcome.

Black cat statues guard this temple-like Egyptian revival factory.

Grotto replete with mystical designs laid out in glued shell mosaics.

Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

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

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.