A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

100 year tradition of fist fights, marked by marble footsteps.

Go inside to really appreciate this 500-year-old technological masterpiece.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Abandoned ship reimagined as a street art canvas.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This unreal Portuguese palace looks as though it's made from a pile of different castles.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A rather vulgar example of the transition from Latin to the Italian vernacular.

The mystic whose incorrupt corpse still attracts the faithful.

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

St. Francesca Romana, patron saint of drivers, resides in the church she founded.

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

This delightful little museum is dedicated to only one thing: pasta.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

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