Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

The equator passes through this tiny island in the eastern Atlantic.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Marvel at this immense work of art that greets arrivals to the city.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

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

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

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

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The most loyal of little dogs, or a Victorian era publicity stunt?

An angel that hatched from an egg!

Over several decades, one of London’s most iconic city gates was dismantled, moved out of the city, and then moved back.

A display of everyday life in the area that was unveiled during the 2012 Summer Olympics.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Ship-sized kinetic sculptural fantasy.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.