A massive Montreal stadium that has seen nothing but trouble since its inception.

Every year, the colorful murals of Montreal get a complete makeover.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This snug medieval lane is one of the narrowest streets in the world.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Conspiracy theories and occult legends surround this mysterious natural rock formation.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

This once-derelict building is now one of the most beautiful bookstores in the world.

One of the most controversial statues in Romania is an emperor with no clothes.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.