The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This incredible Chinese theme park may be the largest bootleg in history.

Erosion and time have created a naturally-formed water park.

This natural spring not only claims to heal the wounded but it has also been willed to God.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

A clear blue swimming hole with hidden caves, still unexplored.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

A popular swimming hole that hides one of America's most deadly diving spots.

The beauty of urban decay, hiding some dark secrets.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

Death comes to anyone who dares to touch this concrete column.

Less a museum than a bizarre fantasy world created by artists and engineers.

The abandoned personal amusement park of the King of Pop.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

The atmospheric road was never meant to be so creepy.

Three million year old fossils are exposed for all to see on this Icelandic shore.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

America's oldest archaeological site or a muddled case of wishful thinking.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.