A natural gas leak provides a flickering flame beneath a waterfall.

The rocks in this arid basin leave trails of movement behind them.

A monument celebrating the idea of reaching inaccessible places.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Eccentric stone cairns built on a public New York City beach.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

A scenic fort on the harbor protected Philadelphia from an attack that never came.

The rusting remains are visible sticking out of the waters of the Delaware Bay.