tomholmes8's User Profile - Atlas Obscura
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Turda, Romania

Salina Turda

This massive underground salt mine now holds a sci-fi theme park in its depths.
Cluj-Napoca, Romania

Hoia-Baciu Forest

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."
Hunedoara, Romania

Corvin Castle

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.
Valongo, Portugal

Valongo Sanatorium

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.
Lisbon, Portugal

Cinemateca Portuguesa

In addition to showing films, this one-screen arthouse cinema from the late 1940s is a museum of old film equipment.
São Miguel, Portugal

Hotel Monte Palace

This abandoned five-star hotel is now a five-star urban exploration destination.
Tomar, Portugal

Convento de Cristo

The medieval castle built as headquarters for the Pope's secretive Knights Templar.
Colares, Portugal

Convent of the Capuchos

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.
Sintra, Portugal

Castelo dos Mouros (Castle of the Moors)

An ancient and majestic fortress that played an integral role in Portugal's road to independence.
Sintra, Portugal

Pena National Palace

This unreal Portuguese palace looks as though it's made from a pile of different castles.
Lisbon, Portugal

Carmo Convent Ruins

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.
Portugal

Mina de São Domingos (Sao Domingos Mines)

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.
Lisbon, Portugal

Preserved Head of Diogo Alves

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.
Idanha-a-Nova, Portugal

The Village of Monsanto

Houses are tucked between, on, and underneath giant boulders.
Lisbon, Portugal

Pavilhão Chinês

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.
Porto, Portugal

Livraria Lello

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.
Sintra, Portugal

Quinta da Regaleira

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.
Sarbinowo, Poland

Fort Sarbinowo

This abandoned but well-preserved Prussian fortress sits abandoned in a Polish forest near the German border.
Mamerki, Poland

Mauerwald Bunker Complex

This lakeside bunker complex in Mamerki, Poland, housed the Supreme Military Command of Nazi Germany during World War II.
Sierpnica, Poland

Podziemne Miasto Osówka

An extensive network of secret tunnels was created for the Nazi project "Riese."
Krakow, Poland

Nuclear Bunkers of Nowa Huta

An underground city beneath Krakow's postwar socialist utopia.
Leśniewo, Poland

Leśniewo U-Boat Locks

Built to transport German U-boats through the never-completed Masurian Canal, the locks near this Polish village are now home to a rope course.
Poznań, Poland

Edmund Szyc Stadium

An abandoned football stadium with a tragic past.
Warsaw, Poland

The Blue Palace

Once home to some 250,000 volumes and priceless art artifacts, this Polish estate was a target of bombing during World War II.