World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The legendary building that needed ghostly approval before being built.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

World's largest collection of serial killer artwork and other macabre exhibits.

This massive, ancient stone was disassembled and then put back together again.

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Historic funicular railway, believed to be the shortest railroad in the world.

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

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

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

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

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