This "City of Books" holds a museum, library, and the complete personal book collections of five of Mexico's greatest thinkers.

The hot chocolate here all stems from small, sustainable microproducers in Chiapas and Tabasco.

Worm salt and other local ingredients are on the menu at this cult favorite ice cream shop.

Mexico City's largest market contains a Willy Wonka-esque wonderland.

This old-school café is famous for serving coffee, chilaquiles, and the Cuban Revolution.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Frida Kahlo's childhood home, now a museum of her life and works.

Part bookstore, part café, and part forest.

A self-proclaimed libertarian micro-state on a tiny bit of disputed territory between Serbia and Croatia.

The only gulag ever to exist in socialist Yugoslavia.

What began as an illegal art installation has become a symbol for unity, ocean awareness, and coastline preservation.

These unusual houses look like giant boats that washed ashore on a residential street.

An eerie, derelict amusement park in Berlin.

Submerged lava formations create incredible waterworks.

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

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

This odd California folly seems like it was almost designed to accumulate urban legends.

The Internet Age began with a transmission from this biker bar.

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

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

One of few lasting examples of the brief octagon craze that developed into folly.