An ancient ossuary in Rouen.

A French museum of wrought iron.

Lego blocks now patch Rouen's WWII scars.

Historic medieval fortified city in southwest France.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

Dancing skeletal figures pay homage to a medieval mural destroyed during World War II.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

A stunning two-story timepiece within a medieval Brick Gothic church.

Copenhagen's celebrated theme park and gardens.

Tiny memorials honor individual victims of the Holocaust.

The first plantation museum in the United States to focus on the lives of enslaved people.

This museum chronicles the history of a leprosy quarantine hospital that then became a refuge.

A New York warehouse filled with an enormous amount of goods saved from the landfills and donated for creative use.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

There must be a pun in this haystack somewhere...

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.