Ovrdoseofdanger's User Profile - Atlas Obscura
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Kupari, Croatia

The Abandoned Hotels of Kupari

The now-overgrown beach resort was once frequented by Yugoslav military elite.
Arouca, Portugal

Ponte 516 Arouca

One of the world’s longest pedestrian suspension bridges.
Lagoa, Portugal

Benagil Caves

Perhaps the most spectacular grotto along the Algarve coastline.
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.
Cascais, Portugal

Boca do Inferno

A unique seaside cave where Aleister Crowley faked his own death.
Colares, Portugal

Praia da Ursa

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.
Nanticoke, Pennsylvania

Concrete City

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.
Scranton, Pennsylvania

Lackawanna Coal Mine

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.
Archbald, Pennsylvania

Archbald Pothole

It would take 35 firetrucks to fill this enormous glacial pothole.
Rome, Italy

Torre Argentina (Roman Cat Sanctuary)

Hundreds of lucky felines haunt the ruins where Caesar was murdered.
Rome, Italy

Centrale Montemartini

Gods clash with machines in a power plant regenerated as a museum.
Este, Italy

Castello Carrarese di Este

The origins of a large, medieval castle are shrouded in mystery, but now it's a delightful garden.
Venice, Italy

Church of San Giacomo di Rialto

According to tradition this is the oldest church in Venice, but its actual age is a mystery.
Venice, Italy

Poveglia Plague Island

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.
Xian Shi, China

Xi'an City Walls

An ancient fortification lives on in this Chinese city.
Sirmione, Italy

Scaligero Castle

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.
Masada, Israel

Masada

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.
Bran, Romania

Bran Castle

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."
Marseille, France

Château d'If

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.
Bassenge, Belgium

Fort Eben-Emael

This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.
Ketrzyn, Poland

The Wolf's Lair

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.
Bourcefranc-le-Chapus, France

Fort Louvois

A castle-like sea fort from the 17th century is now a museum to oyster farming.
Cittadella, Italy

Cittadella City Walls

Featuring the last fully walkable parapet walkway in Europe.
Wattens, Austria

Crystal Worlds

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.