Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A shrine to a skeleton saint in the city of angels.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

This German version of Universal Studios holds a vault of treasures from the NeverEnding Story.

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

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

The world's largest reflecting pool is just two centimeters deep.

An eerie, derelict amusement park in Berlin.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.