The world’s oldest active sailing ship.

This colorful gate stands as an entrance to the walled city of Old San Juan.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

Dine on Porto-style tripe at a restaurant run by the head of a gastronomic brotherhood dedicated to uplifting this humble dish.

The original version of Porto's most famous sandwich is just as good here as it was a century ago.

This historic streetcar system has been running since the 19th-century.

Sip cherry liqueur at a bar dating back to 1840.

Eat the ultimate iteration of Portugal's most beloved pastry.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The unbelievably opulent home built for an infamous newspaperman.

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

This bronze statue commemorates the strange and beloved mascot of UC Irvine—the only university to be represented by a giant anteater.

The Laureates here get something even more coveted than a Nobel Prize: free parking for life.

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

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Herman Melville wrote 'Moby Dick' in this landmark 18th-century house surrounded by farmland.

Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

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

It's not your typical library, memorial, or book store.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

This contorting sculpture is the tallest in San Francisco.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.