A cluttered and astounding collection of antiquities and curiosities.

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

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

Odd outsider art installations surround a Gold Rush-era ghost town.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

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