Since 2004, EarthCaches have encouraged geocachers to explore and celebrate the extraordinary geologic features of our planet, like these colorful rock formations in China. Shaped over millions of years by tectonic forces and erosion, the painted hills of Zhangye National Geopark are among the world’s most colorful natural wonders.
Earn the International EarthCache Day 2026 souvenir by visiting any EarthCache and completing the logging requirements from Friday, October 9 through Sunday, October 11, 2026.
All non-Premium EarthCaches are open to everyone throughout the weekend on the Geocaching® app from 11:00:00 UTC on Friday, October 9 until 10:00:00 UTC on Monday, October 12, 2026.
EarthCaches do not have physical containers. Instead, they take you to a unique geological feature. Study your surroundings, answer the questions listed in the cache description, and send them in a message to the cache owner. Then, log your find online!
What kind of EarthCache will you visit on International EarthCache Day? Find an EarthCache near you!
PakarPBN
A Private Blog Network (PBN) is a collection of websites that are controlled by a single individual or organization and used primarily to build backlinks to a “money site” in order to influence its ranking in search engines such as Google. The core idea behind a PBN is based on the importance of backlinks in Google’s ranking algorithm. Since Google views backlinks as signals of authority and trust, some website owners attempt to artificially create these signals through a controlled network of sites.
In a typical PBN setup, the owner acquires expired or aged domains that already have existing authority, backlinks, and history. These domains are rebuilt with new content and hosted separately, often using different IP addresses, hosting providers, themes, and ownership details to make them appear unrelated. Within the content published on these sites, links are strategically placed that point to the main website the owner wants to rank higher. By doing this, the owner attempts to pass link equity (also known as “link juice”) from the PBN sites to the target website.
The purpose of a PBN is to give the impression that the target website is naturally earning links from multiple independent sources. If done effectively, this can temporarily improve keyword rankings, increase organic visibility, and drive more traffic from search results.
