These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Visiting this cacophonous collection of vintage novelties is like stepping into the mind of a crazed toymaker.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

66,000 pieces of art, donated by one of the world's richest men.

Frida Kahlo's childhood home, now a museum of her life and works.

Sample sweets at an Art Nouveau candy shop that's been in business since 1874.

This beloved roadside attraction welcomes visitors with his signature neon smile.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

What once housed a private club catering to Comstock Lode elite is now considered one of the West’s most haunted spaces.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Eccentric sculptures made from repurposed materials peppers this former farm.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Elephant seals and sea lions have turned the abandoned buildings on this island into their endangered love shack.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

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

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

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

The most beautiful Taco Bell in the world even has surfboard parking.

A comprehensive collection of Pez dispensers.

A vast city of the dead, where the deceased outnumber the living by more than a million.

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

Internationally-recognized arts center housed in a century-old former military barracks.