The Cathedral -

Historical walking tours covering Moscow’s major religious landmarks (Friendly Local Guides). Directions Notre-Dame Cathedral of Paris OpenParis, France

A 13th-century stone floor pattern that pilgrims would walk as a "symbolic journey" to Jerusalem. The Cathedral

This window contains a piece of lunar rock brought back by the Apollo 11 mission. A precise sundial on the floor is struck

A precise sundial on the floor is struck by a ray of light through a hole in the wall only during the summer and winter solstices . 🎨 Scientific & Artistic Works The name also applies to notable creative projects: The Cathedral

Many world-famous cathedrals hide secret details within their massive stone walls:

If you're looking to see these features in person, many offer specialized tours: St. Basil's Cathedral OpenRed Square, 7

A wooden crocodile hangs from the ceiling of the Patio de los Naranjos, commemorating a live one gifted by an Egyptian Sultan in the 13th century.