Gorgeous views of Italian mountains and valleys form the backdrop of this unique open-air theater.

The traditional houses along the coast of this charming Japanese fishing village allow people to sleep above the sea.

Hundreds of boat-shaped headstones fill this graveyard as part of a centuries-old custom with mysterious origins.

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

Croatia's "hairy stone" fortress is one of the most well preserved Istrian castles.

The stunning interior of this Gothic church is covered in ornate gold details.

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

Obscure Freemasons still live in D.C.’s largest private residence.

The ruins of this prominent glass factory yield hidden treasures buried among the jungle floor.

An ever-growing literary collection housed in the apartment where the Russian author penned his final novel.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.

The trailblazing Swedish businesswoman created a beloved minty candy called polkagris.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

A network of sandy streets lined with verdant fukugi trees weaves throughout this tiny seaside town.

Every Friday, Sufi dervishes whirl around the tomb in a trance-like state as part of a sacred ritual called dhikr.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

A common entry point to the Griffith Observatory trail holds its own wonders.

The abstract sandstone rock formations at this Algerian national park are rich with prehistoric art.

A beautiful waterway tucked in the corner of a power plant.