Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Iceland's tribute to its thankless civil servants.

This stunning concert hall has become a symbol of Iceland's national recovery.

An encyclopedic collection of mammal penises.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

Go inside to really appreciate this 500-year-old technological masterpiece.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

A museum dedicated to the history and exploration of both popular music and science fiction.

A giant Troll lurks under one of Seattle's oldest bridges.

A celebrity from the late Cretaceous period.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Home to one of the world’s largest collections of model yachts.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Golden Gate Park's historic collection of plants.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Its buzzing collection honors vibrator history.

This shop specializes in oddities and Victorian-inspired wonders.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A psychedelic labyrinth on the San Francisco bay.

This elaborate towering structure was once famed for its revolutionary height.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.