Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

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

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Peruse rare tomes like poetry bound in pearls or books with branches and berries growing out of their spines.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

An ancient Egyptian temple in the middle of Madrid, Spain.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

From lefty Jewish gathering site to hip cultural site in just 80 years.

Every year, the colorful murals of Montreal get a complete makeover.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

Three acres of mythology-inspired sculptures are visible from the highway.

The eccentric mansion of one of the most popular horror authors of modern times.

This little museum in the town where zombies were born celebrates the living dead.

A terrific purveyor of natural history objects and curios.

A peaceful international sculpture garden in upstate New York.

An unassuming island in the middle of the Hudson that hosts campers, including Aleister Crowley.