A perfectly circular lake is formed by the crater of an ancient underwater volcano.

A 19th-century mansion houses the largest collection of gin in the European Union.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

Europe's oldest still-operational tea farm also boasts a spectacular view.

At night, a grove of towering redwood trees growing through the pavement block out all light from the so-called “Dark Park” of Madrone Avenue.

Across Ring Mountain is a vast collection of Native American petroglyphs unique to the region.

Of all the origin stories for weed's secret code, this one likely has the goods.

A temple devoted to inner esoteric mysteries located in a California commercial strip.

The first mural ever dedicated to the women of the Black Panther Party.

This restaurant offers the original California cuisine.

A storybook European village in Berkeley.

The corpse bride of Portugal.

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

Entire apothecaries are on display at this Lisbon museum, which explores the history of medicine.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

All aboard the world's longest miniature railway.