An open-air "garden" of mural art that changes weekly.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Turntable anonymously received orphans, alms, and groceries.

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

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The unexpectedly beloved remnants of a controversial thermal power plant.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

This man-made mound monument was built out of soil from all across the Polish empire.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This street has over a half-dozen names, all at once.

A peculiarly shaped brass sculpture hidden in a courtyard in central Lviv

Ukraine's oldest operating pharmacy now offers guests a fascinating walk through apothecary history.

This unique Lady Liberty is one of the only examples of the figure sitting down.

This Ukraine alleyway has become its own little island of forgotten things.

Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

A fortress built to pacify local uprising that had a stint as a Nazi concentration camp before becoming a five-star hotel.

World's largest crossword puzzle spans the side of a towerblock, its clues scattered throughout the city.