A medieval Italian village is fighting depopulation with this vibrant annual street art festival.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

A preserved dragon's rib that remembers the legend of the founding of the city of Atessa.

Host to the annual Festival of the Snakes.

This 16th-century monastery has been turned into a surrealist architecture compound.

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

One of seven Jewish catacombs in Rome and one of only two open to the public.

A modern sliver of architecture in Roma.

Architectureal fantasy quarter of Rome.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

Architectural monsters are devouring this palace's every door and window.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

The Pope’s secret escape route.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

An enigmatic modern marker left next to a historic Roman site.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

A surreal statue honoring Prague's favorite literary son.

A former squatter's paradise outside Prague.

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

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.