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

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

The legendary building that needed ghostly approval before being built.

The oldest garden in Prague, once part of an medieval orchard.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Steadily reminding Czechia of its past.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

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.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

A bit of retro transportation flair preserved in the world's largest department store.

There are owls with glowing eyes in Herald Square.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

Commemorating the spot where the famous scientist fed his pigeons.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.