A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

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

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

The highest lighthouse in Scotland shines from an abandoned island.

A mysterious, weather-beaten bus lies on the coast of Harris, enticing the curious to investigate.

This building was designed to celebrate Italy's victory in World War I.

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.