Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

A swath of France so devastated by war it is still forbidden to go there.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

This striking fort on the Maginot Line looks just as it did after being destroyed in the Fall of France.

The highest point in Belgium is a staircase to nowhere.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

A rare double mill nestled along the banks of the Aa river.

This is what trains will look like after the zombie apocalypse.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

This burial pyramid in central Ireland is thousands of miles and thousands of years away from its Egyptian inspiration.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

A massive Celtic cross secretly growing in an Irish forest.

An oddly conical beacon perched atop beautiful Irish cliffs.

One of the oldest lighthouses in the world, this structure was built more than 800 years ago.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

This World War II relic let Allied pilots know they were entering neutral airspace.

This 18th-century fort surrounded by a moat was used to store gun powder and ammunition, and now sits in the middle of a large part in Dublin.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

A collection of housewares from recent Irish history adjoined by a tower from ancient Irish history.

Just another ancient, mysterious Irish stone circle.

The remains of this deep, dark mine have left behind a haunting rocky warren of tunnels.

This ancient Irish landscape boasts hundreds of legendary ruins.