Top 13+ Buildings That Were Never Finished — But Can’t Be Torn Down

Throughout history, ambitious architectural projects have sometimes stalled midway through construction. Economic downturns, political shifts, or technical failures can transform promising developments into permanent works-in-progress. These architectural curiosities—frozen in time—often become unexpected landmarks in their own right.

What’s particularly fascinating is that these buildings remain incomplete and that various circumstances prevent their demolition. Here’s a list of 13 remarkable structures worldwide that never reached completion yet continue to stand against all odds.

Ryugyong Hotel

North Korea’s infamous pyramid-shaped skyscraper has loomed over Pyongyang since construction began in 1987. Work suddenly stopped in 1992 amid severe economic troubles—leaving the concrete shell empty for decades.

Though the exterior finally received its glass cladding in 2011, the interior remains barren, with the $750 million investment sitting dormant and no completion date in sight.

Sagrada Família

Barcelona’s extraordinary basilica has been under construction since 1882—nearly a century after architect Antoni Gaudí’s death, workers still chip away at his vision. Unlike typical abandoned projects, construction actively continues with completion tentatively scheduled for 2026.

The building’s revolutionary biomimetic design and profound religious significance earned it UNESCO World Heritage status despite—or perhaps because of—its perpetual state of incompletion.

Fonthill Abbey

This Gothic revival mansion in Wiltshire, England stemmed from the imagination of eccentric author William Beckford between 1796 and 1813. The central tower collapsed repeatedly during construction due to fundamental structural flaws—most of the abbey eventually crumbled in 1825.

Remarkably though, the western wing survived and remains standing today as a protected historical landmark, preserving evidence of Beckford’s extravagant architectural dreams.

Russian Orthodox Cathedral

The foundation for this massive cathedral in Nice, France dates back to 1903—construction abruptly halted with the outbreak of World War I. Only the crypt level reached completion, creating an unusual ‘underground’ church that continues to function today.

The foundation level—originally designed to support a much larger structure above—now serves as a protected historical site featuring intricate mosaics and religious artifacts that draw visitors year-round.

Ajuda National Palace

Lisbon’s neoclassical royal palace began taking shape in 1802 but came to a standstill in 1833 following political instability that rocked Portugal. Only about one-quarter of the grand original design ever materialized—the partial palace now houses a museum with its abrupt western end revealing where construction suddenly ceased.

Its historical significance as a physical manifestation of Portugal’s turbulent 19th century ensures its preservation despite its obvious incompleteness.

Palace of the Soviets

Moscow’s ambitious megaproject was intended to become the world’s tallest building—symbolizing Soviet might—but construction halted after Germany invaded in 1941. Only the massive circular foundation was completed before the steel frame was dismantled for wartime needs.

In a bizarre twist, the foundation was later converted into the world’s largest outdoor swimming pool until the Soviet Union’s collapse, when the site was reclaimed for the reconstruction of the Cathedral of Christ the Savior.

Boldt Castle

This romantic castle sits on Heart Island in the St. Lawrence River, commissioned by hotel magnate George Boldt as a tribute to his beloved wife. All work ceased abruptly in 1904 when she unexpectedly died, and the heartbroken Boldt never returned to the island.

For 73 years, the abandoned shell deteriorated before partial restoration transformed it into a tourist attraction. Certain areas intentionally remain unfinished to honor the bittersweet love story behind its creation.

Niederfinow Boat Lift

Germany’s ambitious engineering project aimed to replace an aging boat lift on the Oder-Havel Canal, with construction beginning in 2009. Serious technical challenges with the massive gates and hydraulic systems plagued the project for years.

Dismantling wasn’t possible due to the structure’s integration with the existing canal system, forcing engineers to troubleshoot the framework rather than start fresh. Though finally operational in 2022, numerous sections remain technically unfinished and under ongoing modification.

Prora Resort

This colossal beachfront complex stretches nearly 3 miles along Germany’s Rügen Island coastline. Built by the Nazi regime between 1936 and 1939 as a holiday resort for workers, construction stopped when World War II erupted.

The immense structure proved too massive to demolish after the war. While portions have been converted into modern hotels and apartments, substantial sections remain in their unfinished state, serving as a stark reminder of the Third Reich’s grandiose ambitions.