Every equinox this Maya pyramid puts on a spooky ancient light show.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

This rare example of Vancouver's Victorian past was the home of one of the city's first bookbinders.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This Elizabethan hedge maze is one of only six in North America.

What happens when a sculptor has to find a way around a 100-year-old copyright.

This mundane shopping plaza is named after a gruesome piece of flotsam.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A huge musical instrument played by the ocean.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

A miniature view of the park, caught in time.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

This parking garage has given itself over to graffiti artists and the neighborhood can't thank them enough.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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

The site where two doves fell in love.

A walk through the historic city center, under the streets of Seattle.