This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

Stalactites and stalagmites in a beautifully lit cave.

An underground city of salt.

The world's largest drain sits below the city of Kasukabe, Japan.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

A preserved building where the dead were once watched for signs of life.

A strange history museum, with items accumulated by a pair of globe trotting spies.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

Three legendary, living albino buffalo roaming their pastures for all to see.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

This semi-hidden Manhattan restaurant is based out of a loading dock.

Museum dedicated to awful artwork.

A large camera obscura, constructed entirely from digitally fabricated components.