A beautiful Greco-Roman structure houses a well once believed to have healing powers.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Steadily reminding Czechia of its past.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

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

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

A mocking tribute to the past and modern leadership of Prague.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

The first museum in the world devoted to sexual gadgetry.

Macabre astrological automaton clock dating to the late 1400s.

A scattered trail of street art adds a pop of color to the city's stark structures.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

This small museum in a 17th-century building honors three iconic Scottish writers.

The library's graceful rotunda is like a bibliophile's temple.

One man spent 10 years building a spectacular section of road because no one else would.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

A sweet symbol marks the place where torturous executions were once carried out.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

360° views of the city plus five floors of optical illusions and hands-on science.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.