The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The only museum with its curator—and her pets—buried inside.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

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

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

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

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.

Nestled in the heart of Milan is a real wunderkammer of morbid curiosities.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

The potters' quarter is packed with artists sculpting clay gods with mud from the sacred Ganges river.

This lavish estate recalls the opulent history of Calcutta.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

Deep in the Thar desert, a temple crawling with thousands of holy rats.

An eclectic mix of influences rot together in harmony in this India necropolis.

Sacred Indian temple that’s all monkey business.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

Zurich's evolution museum hosts a unique collection of skeletons among its natural history treasures.