International Day for Monuments and Sites Apr 18, 2025

International Day for Monuments and Sites

Imagine a world without the pyramids, the Great Wall, or ancient cave cities—hard to picture, right? That"s why April 18 is the International Day for Monuments and Sites, an event recognized by UNESCO dedicated to protecting cultural treasures worldwide. This day is all about celebrating our history, raising awareness about endangered sites, and making sure future generations can enjoy them too.

© Anton Petrus/Getty Images

palette

Today in History

Apr 18, 2018A crested partridge
Apr 18, 2019Stop and see the flowers
Apr 18, 2020National Park Week begins
Apr 18, 2021In Sicily, history is everywhere
Apr 18, 2022Square Tower House in Mesa Verde National Park
Apr 18, 2023International Day for Monuments and Sites
Apr 18, 2024International Day for Monuments and Sites
Apr 18, 2026World Heritage Day

More Desktop Wallpapers:

May 7, 2019Spring comes to Glacier National Park
Oct 31, 2019Protect your neck
Jul 15, 2021A river runs through rice fields
Feb 5, 2026Salt evaporation ponds on the island of Gozo, Malta
May 24, 2019Not your average sandcastle
Jan 2, 2026Aerial view of Venice, Italy
Jun 4, 2021Islands that turned the tide
Feb 5, 2022Monarch butterflies in Angangueo, Mexico
Apr 24, 2022Dark Sky Week
Feb 26, 2024Grand Canyon National Park turns 105
Jan 24, 2018Santo Antão Island in the Republic of Cabo Verde
Jun 1, 2019Hiking the High Trestle Trail
Nov 1, 2021Native American Heritage Month
Aug 5, 2023Atlantic puffin, Iceland
Oct 8, 2025World Octopus Day
Sep 28, 2023World Maritime Day
Sep 14, 2022Navajo Bridge in Marble Canyon
Jan 8, 2026Starling murmuration over the ruins of Brightons West Pier, England
Feb 18, 2020Too awesome to be a planet
Dec 4, 2019Protecting endangered giants
Aug 3, 2026Colorful boats in Marsaxlokk Harbor, Malta
Jun 27, 2019The roots of invention
Aug 12, 2019Don t forget—it’s World Elephant Day
Feb 13, 2022American bison
Jan 11, 2019Life in a North African town
Dec 6, 2022Everglades National Park turns 75
Oct 20, 2024International Sloth Day
Jun 16, 2021Put your flippers in the air…
Jun 30, 2021An impactful day
Apr 13, 2024Apple trees in spring, Germany