Since 1988, the National Trust for Historic Preservation has used its list of America's 11 Most Endangered Historic Places to highlight the threats facing some of the nation's greatest treasures. Now in its 38th year, the annual list has identified more than 350 places to date.

On May 7, the National Trust will announce the 2025 list of America’s 11 Most Endangered Historic Places. Sign up for emails and be among the first to get the news. In the lead up to the list's unveiling, let's look back at 7 previously listed sites—from a bridge threatening a gorgeous landscape in North Dakota to recent television coverage for a Japanese American neighborhood in Los Angeles.

Miami Marine Stadium (Miami, Florida, Listed 2009)

Designed by 27-year-old Cuban born architect Hilario Candela, Miami Marine Stadium’s 326-foot, fold plate roof was the longest span of cantilevered concrete on earth when it was poured in 1963. A masterwork of civic architecture and modern construction, the stadium has had a long journey, and since its listing on the 11 Most Endangered list in 2009, Miami Marine Stadium continues to capture the imagination of those who see possibility in its restoration. In January the City of Miami released an RFP for potential operators of the stadium. The RFP closes in mid-April but is the first critical step to moving the project forward. In February, NBC 6 South Florida aired a segment featuring an inside look at the restoration.

And while the stadium won’t be a viewing site, it will be on full display during the November E1 Series Boat Race which will take place in the Miami Stadium Basin.

Elkhorn Ranch (Billings, North Dakota, Listed 2012)

A planned bridge over the Little Missouri River near the historic Elkhorn Ranch in Billings County, North Dakota will not be built, capping years of dispute over the proposed crossing.

In April 2025, after a multi-year legal battle, the Billings County Commission agreed to a settlement with the Short family, whose land had been acquired by the County through eminent domain as part of planning for the proposed bridge.

Preservationists, conservation groups, and others have been fighting proposals to build a river crossing near the Elkhorn Ranch for over two decades, arguing that a bridge and resulting heavy truck traffic would disturb the pristine setting of the historic ranch.

Theodore Roosevelt established the Elkhorn Ranch soon after the death of his wife and mother in 1884. Roosevelt’s time at the ranch inspired many of the conservation ideas that led to federal actions to protect wilderness and historic landscapes across the country. The Elkhorn Ranch is a unit of the Theodore Roosevelt National Park.

Dr. Susan LaFlesche Picotte Memorial Hospital (Walthill, Nebraska, Listed 2018)

In 1889, 24-year-old Susan LaFlesche Picotte graduated as valedictorian of her medical class from the Woman’s Medical College of Pennsylvania, becoming America’s first Native American physician. “Dr. Susan” returned home to the Nebraska Territory to provide medical services to the Omaha Tribe, traveling over 1,350 square miles of open prairie and making house calls to treat over 1,240 patients. Her dream of opening a hospital on the reservation was finally realized in 1913, just a few years before she passed away.

In June 2025, this hospital building will be fully restored with a grand opening celebrating the culmination of work around the site’s restoration. With construction expected to end in May, the re-opened Picotte Center will be a space for the community including small business and studio artists, a small medical clinic and counseling service center, all honoring the legacy of “Dr. Susan” for years to come.

Pine Grove Elementary School (Cumberland, Virginia, Listed 2021)

Pine Grove Elementary School, a Tuskegee-Rosenwald School that holds the legacy of Black education in Virginia, was included on the 11 Most Endangered list in 2021 due to proposed construction of a large landfill nearby. In April 2025 the public will be able to learn Pine Grove’s story with the release of More than a School:” A Story of Perseverance and Black history in Cumberland County, Virginia, a documentary film presented by Departure Point Films, LLC and the Program in Law, Communities, and the Environment (PLACE) at the university of Virginia School of Law. The film has been a part of the official selection for the Virgina Film Festival in 2024, the Justice Film Festival in 2024, the Social Impact Film Festival in 2024, and the Indie Short Film Festival in 2025.

On April 21, 2025 the Cumberland Planning Commission voted “No” on the Green Ridge Conditional Use Permit, and recommended that the Board of Supervisors (BOS) also vote “No.” The AMMD Pine Grove Project and Cumberland community will continue to advocate for their school and their history before the public meeting with the BOS in May.

L.V. Hull Home and Studio (Kosciusko, Mississippi, Listed 2023)

Philadelphia Chinatown (Pennsylvania, Listed 2023)

For over two years, community members in Philadelphia’s Chinatown have advocated against a proposed arena that would have had an outsized impact on Chinatown and adjacent neighborhoods.

On January 13, 2025, the Philadelphia 76ers announced that they are no longer pursuing the proposed arena plan in Center City, Philadelphia adjacent to historic Chinatown. The team announced that they will remain in South Philadelphia, and plan to transform the existing sports complex into a year-round destination, keeping jobs and economic investment within the city. This decision follows two years of intense community opposition citing the detrimental impacts this proposal would have had on historic Chinatown, other Center City neighborhoods, and essential city services. Read the full update.

However, as the community looks to the future, new uncertainty created by escalating tariffs on Chinese goods and immigration enforcement has already started negatively impacting small businesses and the community’s ability to prosper. This is not unique to Philadelphia Chinatown, but the impacts are being felt at Chinatowns nationwide.

Little Tokyo (Los Angeles, California, Listed 2024)

Established in 1884, Little Tokyo has endured more than a century of adversities, including the forced incarceration of Japanese Americans during World War II by the U.S. Government, large-scale demolition for municipal building construction, and urban renewal, but the neighborhood has remained central to the Japanese American community. Its listing on the 11 Most Endangered list in 2024 was due to the threats of gentrification and displacement of legacy business due to rising rents. The erosion of Little Tokyo’s character is compounded by large-scale development and transit projects that are changing its culture and economy.