No one knows how this Pacific Northwest spruce tree came to have so many trunks.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

There aren't too many operational funiculars around, but Pittsburgh has two!

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

Only known mainland rookery of the threatened Stellar sea lion.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

This expansive bridge in the Canadian wilderness was originally just built for friends.