A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

The Habsburgs' royal collections of art and wonders.

The resting place for anonymous victims of the Danube's dark waters.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

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

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

The beautiful baroque library of the Hapsburg empire.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.