An unsolved murder victim's grave which may or may not contain her body.

The debris forms a solemn memorial to those who died in a 1963 accident.

A monument marks the beginning of the longest north-south road in the United States.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

The largest tidal whirlpool in the Western Hemisphere.

The world's largest rotating world.

New England's tallest light house stands on an island with a history of cannibalism and death.

The eccentric mansion of one of the most popular horror authors of modern times.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

The fading, forgotten remains of a once bright and booming factory.

One of the largest, oldest, darkest, quietest motel rooms in the world.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

An acoustic anomaly with a mysterious cause.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

The world’s tallest outdoor lift stretches along the stone pillars that inspired the floating mountains in the movie “Avatar.”

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

The haunting peak of an old church is all that remains of a drowned Brazilian city.

A fiery crater has been burning in the Karakum Desert since 1971.

This poignant site pays tribute to one of Australia’s greatest actors.

Dedicated to the man who saved hundreds of children from Nazi-occupied Czechoslovakia.

In Warrington’s Golden Square, it's always tea time.