It houses the remains of a 17th-century version of the Titanic.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

These barriers stand as stark reminders of Northern Ireland's troubled past.

A museum marks and documents the site of the Titanic's launch.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

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

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

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

Catholics make up 84% of Ireland's population but this Dublin museum remembers the small but important Jewish community.

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

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Baroque celebration of the end of the Great Plague of Vienna.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The final resting place for the remains of 143 Habsburg royalty.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

A monument to the groundbreaking environmentalist sits near the place where she first experienced the sea.

People leave coins atop an unusual grave marker in one of Scotland's oldest burial grounds.

Uppsala's adorable feline sign celebrates a popular children's book set in the Swedish city.

The official meeting point for the oddly named governing assembly of ancient Sweden.

A large collection of ancient runestones decorates this university courtyard.