This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The floating gallery illuminates the heart of Québec City's arts district.

This former prison now houses a lovely library devoted to Quebec's oft-maligned English-speaking history.

A swirling spectrum of stained glass dazzles visitors who enter this subway station.

This hidden park hosts a rogue’s gallery of eccentric architectural obelisks.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

A treasure trove of fine art is hiding inside this small medieval abbey in Gascony.

Beneath the city of Lourdes, France is a massive, concrete church.

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

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

Armenian monks at an island monastery in the Venetian Lagoon make a rare rose petal jam.

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.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

The underground sanctuary of a mysterious ancient cult.

The yawning maw of this pagan visage is said to bite off the hands of liars.