A blacklight journey through a celestial art exhibit.

A museum dedicated to the alleged Roswell Incident.

Historical trolley restoration and operation at History San Jose, Kelly Park.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

A classically inspired temple in Redwood City.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

It took years to decode its mysterious messages.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

This giant shopping mall still holds signs of its automotive past.

"You don't need a rocket scientist to build a steam engine, but we've got one." -Museum docent on the credentials of a restoration volunteer.

An architectural oddity hides in plain sight on this iconic London bridge.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Two plaques commemorate the site of Shakespeare's first theatre.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Giant, friendly pelicans in Central London, the most unlikely of places.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Hear the quietest sound from across the dome.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.