At the time of its completion, it was the tallest dam in the world.

The remnants of a creative early method of wildfire prevention.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

A spiritual vortex among the red rocks in Sedona.

Amazingly, this old machine within the Resorts Casino still functions.

Once forgotten, this strip of sand was a rare beachside haven for Black Americans in Atlantic City.

A charming beach town in Turkey captures all the colors of the rainbow.

Creaky dinosaurs grow in the backroads of Monmouth County, New Jersey.

Secret North Korean passage discovered below the world's most dangerous border.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A mysterious ancient network of thousands of perfectly straight lines stretching across miles of Bolivian desert.

These lush botanical gardens employ the most purrfect pest control force.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

This elaborate towering structure was once famed for its revolutionary height.

Several times a year, during low tide, two pairs of historic train tracks are revealed on this New Jersey beach.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.