The Srebarna Nature Reserve is a UNESCO World Heritage site located in Bulgaria. It is a wetland area that serves as an important habitat for a variety of bird species, including the Dalmatian pelican and the pygmy cormorant. The reserve is facing threats from human activities, such as pollution and habitat degradation, which have led to its inclusion on the UNESCO List of World Heritage in Danger.

The Salonga National Park is a UNESCO World Heritage site located in the Democratic Republic of the Congo. It is the largest tropical rainforest reserve in Africa and is home to a diverse range of endangered species, including the bonobo, the forest elephant, and the okapi. The park faces threats from illegal logging, mining, and poaching, which have led to its inclusion on the UNESCO World Heritage in Danger list.

The City of Potosí in Bolivia is a UNESCO World Heritage site that is currently on the List of World Heritage in Danger. Potosí was once one of the largest and wealthiest cities in the Americas, due to the nearby Cerro Rico mountain's vast silver deposits. However, centuries of mining have taken a toll on the city's infrastructure and environment, leading to its inclusion on the endangered list.

Butrint is a UNESCO World Heritage site located in Albania. It is an ancient archaeological site that dates back to the 4th century BC and was once a thriving Greek and Roman city. The site is known for its well-preserved ruins, including a theater, a baptistery, and a castle. Butrint is considered one of the most important archaeological sites in the Balkans and is a significant part of Albania's cultural heritage.

The Garamba National Park in the Democratic Republic of the Congo is a UNESCO World Heritage site that is currently listed as "in danger". The park is home to a diverse range of wildlife, including the critically endangered northern white rhinoceros. However, the park has faced significant threats from poaching and armed conflict, which have led to the decline of its wildlife populations.

The Manovo-Gounda St Floris National Park in the Central African Republic is a UNESCO World Heritage site that is currently listed as "in danger". The park is home to a diverse range of wildlife, including elephants, cheetahs, and black rhinoceros, but it has faced significant threats from poaching and civil unrest in the region.

Tipasa is a town in Algeria that is home to a UNESCO World Heritage site. The site includes Roman ruins, early Christian monuments, and Islamic architecture, reflecting the region's diverse cultural heritage. The site is considered to be in danger due to factors such as urban development and environmental threats.

The Walled City of Baku with Shirvanshah's Palace and Maiden Tower in Azerbaijan is a UNESCO World Heritage site in danger. It is a well-preserved medieval city with a unique architectural ensemble.

The Iguaçu National Park is a UNESCO World Heritage site located in Brazil, near the border with Argentina. It is home to the magnificent Iguazu Falls, one of the largest waterfalls systems in the world. The park is known for its diverse flora and fauna, including many endangered species. It is a popular tourist destination and a significant part of the local economy.

The Congo Okapi Wildlife Reserve is a UNESCO World Heritage site located in the Democratic Republic of the Congo. It is home to the elusive okapi, a unique species of giraffe-like animal found only in this region. The reserve protects a significant portion of the Ituri Rainforest, one of the largest remaining intact rainforests in Africa. However, the site is currently listed as "World Heritage in Danger" due to ongoing threats such as illegal poaching, mining, and armed conflict in the region.

The Bamiyan Valley in Afghanistan is a UNESCO World Heritage site in danger. It is known for its remarkable cultural landscape and archaeological remains, including the famous giant Buddha statues that were destroyed by the Taliban in 2001. The site is of immense historical and cultural significance, showcasing the region's rich Buddhist heritage.

Virunga National Park is a UNESCO World Heritage site located in the Democratic Republic of the Congo. It is home to a diverse range of wildlife, including endangered mountain gorillas, and faces threats from armed conflict, poaching, and illegal resource extraction.

The Kahuzi-Biega National Park in the Democratic Republic of the Congo is a UNESCO World Heritage site that is currently listed as being in danger. The park is home to a diverse range of wildlife, including the critically endangered eastern gorilla.

Los Katíos National Park is a protected area located in northwestern Colombia. It is a UNESCO World Heritage site that is currently listed as "in danger" due to threats such as illegal mining, deforestation, and encroachment. The park is known for its diverse ecosystems, including tropical rainforests, wetlands, and mangrove forests, which are home to a wide variety of plant and animal species.

The Minaret and Archaeological Remains of Jam in Afghanistan are a UNESCO World Heritage site in danger. The minaret, standing at 65 meters tall, is one of the tallest brick towers in the world and a remarkable example of Afghan architecture from the 12th century. The archaeological remains surrounding the minaret provide insight into the once-thriving city of Jam, which was the capital of the Ghurid dynasty.

The Belize Barrier Reef Reserve System is a UNESCO World Heritage site in Belize that is currently listed as "World Heritage in Danger". The reef system is the largest barrier reef in the Western Hemisphere and the second-largest in the world, stretching over 190 miles along the coast of Belize. It is home to a diverse array of marine life, including endangered species such as the manatee and the hawksbill turtle. The site faces threats from coastal development, pollution, and climate change, which have led to the degradation of the reef ecosystem.

Angkor is a UNESCO World Heritage site in Cambodia that is under threat due to various factors, including environmental degradation, tourism pressure, and lack of resources for preservation. The Angkor Archaeological Park contains the remains of the different capitals of the Khmer Empire, from the 9th to the 15th centuries, and is renowned for its well-preserved temples and monuments, such as Angkor Wat, the largest religious monument in the world.

The Benin Royal Palaces of Abomey are a UNESCO World Heritage site in Benin, West Africa. The palaces were the seat of the Dahomey Kingdom, a powerful West African empire that existed from the 17th to the 19th century. The site consists of a series of royal palaces and temples that showcase the unique architectural and cultural heritage of the Dahomey Kingdom.

The Historic Centre of Vienna is a UNESCO World Heritage site in Austria. It is known for its well-preserved Baroque architecture and historic buildings, including the Hofburg Palace, St. Stephen's Cathedral, and the Ringstrasse. The city's historic center is a major tourist attraction and a testament to Austria's rich cultural heritage.

The Humberstone and Santa Laura Saltpeter Works are located in Chile and are a UNESCO World Heritage site in danger. The site was an important center of saltpeter production in the late 19th and early 20th centuries, and its industrial facilities and workers' housing provide a unique glimpse into the history of the nitrate industry in the Atacama Desert region.