On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

From this desk Al Hirschfeld drew his influential caricatures of the 20th century's Broadway stars.

The last standing example of an ancient district's teatime tradition.

A museum devoted entirely to the rattlesnakes and snake-related art.

Nondescript elevator doors open to reveal a stunning, surreal world.

A perfect circle of twenty-four mysterious holes dates back to prehistoric time.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

This cemetery overlooking the Benbulben rock formation is the final resting place of one of Ireland's most beloved poets.

One of only two commuter aerial tramways in the United States.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A massive trilithon nicknamed "Stonehenge of the Pacific."

The ruins of this Brazilian island prison still bear the scars of the bloody rebellion that closed it down.

This Brazilian Lady Liberty is one of the few replicas that was actually made by the original designer.

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

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

This striking, two-toned confluence of rivers is visible from space.

The place where Dvořák composed some of his most famous works.

Whether you're up or down, the Elevator Museum is worth a stop.

The unassuming structure was part of a Major League Baseball stadium.

The rare American Civil War-era weapon was never fired in anger.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

An incarceration museum on the spot of possibly the oldest prison in England.