This historic electric train has operated with regularity since the early 1900s.

This "flat geyser" bubbles up out of the ground periodically like a disappearing river.

The oldest Marian image in the Canary Islands still impresses people nearly half a millennium later.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

An eerie collection of the surviving structures from a past celebration of the future.

The world's largest wooden structure.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

This sublime architectural marvel is a rare example of an expressionist church.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

These small, triangular, colorful houses are a staple of Madeira Island.

An icon of the city, this chapel features an amazing dome ceiling and offers panoramic views.

One of the few places in Portugal where the Celtic ritual of wearing large wooden masks is still practiced.

A unique seaside cave where Aleister Crowley faked his own death.

Tucked away inside this concrete building is a church and its grand display of brutalist architecture.

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

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

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

Cold war icon and onetime "hole" in the iron curtain.

Elaborate tile work in this railway station tells the story of Portugal.

An old wool-washing house filled with Fluxus contemporary art.

The "Little Ones," show Portugal in full miniature splendor.