For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

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

An Austrian house of bones filled with hundreds of intricately painted skulls.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

American soldiers discovered Europe's best one-liner at the end of World War II.

In a small churchyard in Dingolfing, Germany the quaint Schusterkapelle is there to remind you of your imminent mortality.

In 1830, cemetery workers in Cham unearthed a chamber housing thousands of skeletal remains from the 13th century, which can still be viewed today.

Village situated on a narrow volcanic escarpment.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

This French "sea of rocks" is packed with stunning rock formations and its own medieval castle.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Rare karst landscape eroded from a flat seabed.

One native village in Bali lays their dead at the foot of a holy tree whose natural fragrance seems to hide the stench as the bodies decompose.

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

These striking ruins of a castle resemble a ship's stern.

The personal charnel house of Anton Bruckner.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Artfully arranged bones of 5,800 Austrians.

Surreal riveted sea forts once protected the Kent shores from German attack.

A house of bones — but nobody is quite sure to whom they belong.

Museum about life, death, and cannibalism in the Stone Age.