An employee at the Haskell Free Library and Opera House walks over a back line, marking the border between Canada and the United States, runs through the building in Stanstead, Quebec, Canada, on March 13, 2025.

Black tape marks the US-Canada border inside the Haskell Free Library and Opera House Feb. 28, 2017, in Stanstead, Quebec, (R), and Derby Line, Vermont, (L). The neoclassical building straddles the international border and was built that way on purpose.

A sign warns people against cross-border meetings and reunions inside the border-spanning Haskell Free Library and Opera House that sits in both Derby Line, Vermont and Stanstead, Quebec, as seen on July 16, 2026.

A sticker for the U.S. Border Patrol displayed inside the border-spanning Haskell Free Library and Opera House that sits in both Derby Line, Vermont and Stanstead, Quebec, as seen on July 16, 2026.

The Haskell Free Library and Opera House, which straddles the U.S.-Canada border in Stanstead, Quebec and in Derby Line, Vermont, marked by a black line on the floor, is seen from Derby Line, Vermont, on January 21, 2025.

A sign indicates the new entrance that is under construction on the Canadian side of the cross-border Haskell Library in Stanstead, Quebec, Canada, on Oct. 22, 2025. In a picturesque small town on the border between Canada and the United States, excavators are busy restoring access for Canadians to a cross-border library, following a decision by the President Donald Trump administration to end its exception status. For over a century, Canadians from Stanstead have used the entrance door of the library located on American soil without having to go through customs, an exemption that Trump’s administration decided to end in March.

Library clerk Lee Anne Smith smiles on the U.S. side of the Haskell Free Library and Opera House, which straddles the U.S.-Canada border in Stanstead, Quebec and in Derby Line, Vermont, U.S., marked by a black line on the floor, as seen from Stanstead, Quebec, Canada, on January 21, 2025.

This aerial view shows the construction work underway to build a Canadian side entrance to the cross-border Haskell Library in Stanstead, Quebec, Canada, with the Canada-US border marked by rocks, on Oct. 22, 2025. In a picturesque small town on the border between Canada and the United States, excavators are busy restoring access for Canadians to a cross-border library, following a decision by the President Donald Trump administration to end its exception status. For over a century, Canadians from Stanstead have used the entrance door of the library located on American soil without having to go through customs, an exemption that Trump’s administration decided to end in March.

Tammy Lynn, a resident of Quebec, walks across the border inside the Haskell Free Library and Opera House from the United States into Canada. She is permitted to use the sidewalk to enter the library and return directly but must check in at an official border crossing if she wishes to go elsewhere. The library, which straddles the U.S.-Canada border, allows visitors from both countries to access its resources without passing through formal immigration controls, Derby Line, Vermont, on January 21, 2025.

Library clerk Lee Anne Smith walks from Canada into the U.S. at the Haskell Free Library and Opera House, which straddles the U.S.-Canada border in Stanstead, Quebec and in Derby Line, Vermont, marked by a black line on the floor, in Stanstead, Quebec, Canada, on January 21, 2025.

A back line, marking the border between Canada and the United States, runs through the Haskell Free Library and Opera House in Stanstead, Quebec, Canada, on March 13, 2025.

A sign at the on the U.S.-Canada border outside the Haskell Free Library and Opera House reminds Canadian visitors to use the new entrance to the border-spanning library in both Derby Line, Vermont and Stanstead, Quebec, as seen on July 16, 2026.

A stone marker sits on the international boundary between Canada and the United States in the split border towns of Derby Line, Vermont and Stanstead, Canada.

As seen on July 16, 2026, a yard sign on a home sitting on the U.S.-Canada border in northern Vermont alludes to the tensions between the two countries inflamed by why many Canadians see as President Donald Trump’s unfair criticisms of the country, its trade policies and border security.

As seen on July 16, 2026, a yard sign on a home sitting on the U.S.-Canada border in northern Vermont alludes to the tensions between the two countries inflamed by why many Canadians see as President Donald Trump’s unfair criticisms of the country, its trade policies and border security.

A U.S. Border Patrol agent, left, consults across the international border with an officer from the Royal Canadian Mounted Police. The American officer is in Derby Line, Vermont, while the Canadian officer is in Stansted, Quebec, as seen on July 16, 2026.