Stripes of flowers bloom each spring in a 50 acre rainbow of color.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

Oakland's beautiful monumental cemetery.

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

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

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

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

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

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

More than 700 species live within this murky marvel of a swamp on California's coast.

The unbelievably opulent home built for an infamous newspaperman.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Home to a forest of whimsical pygmy Coast live oak.

An alley covered with 20 years of bubble gum.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.