Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

The world's first ice hotel is still one of the most elaborate and beautiful.

These coffin-like Brutalist balconies were inspired by a nearby mine.

A large collection of ancient runestones decorates this university courtyard.

Legend has it this spring formed at the spot where a medieval Swedish king was killed.

A rare rune stone dedicated to a woman.

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

An eclectic sculpture park rises atop a giant pile of ashes in Sweden.