This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

This historic graveyard was partially paved over to create a streetcar line.

San Diego's most historic and haunted home.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The classic Atari game's iconic aliens have invaded downtown San Diego.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.

A mosaic map made of over 100,000 tiles depicts the geological features and sea creatures that live along this San Diego beachside community.

The tiniest tiki room in San Diego.

An inconspicuous footbridge beloved by San Diego locals.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

A hidden courtyard houses early 20th-century plaster masterpieces.

The Giant Lemon of Lemon Grove.

Legend says this sacred tree was a gift from goddess Athena.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

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.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

A lush indoor jungle fills this bustling Madrid transportation hub.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

The Spanish king's private bathroom embraced the idea of a porcelain throne.