In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

One of the smallest bookstores on the planet.

In addition to showing films, this one-screen arthouse cinema from the late 1940s is a museum of old film equipment.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

Villas that once served as playgrounds for the rich now fall away in decay.

This ghost town in Belgium will lose its street art when it ceases to exist.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

A Tucson museum and performance space full of found-object movable sculptures.

Miniature art that tells an enormous story.

A mysterious "wedding cake" castle in the middle of the urban desert.

The tomb of history's greatest potato promoter is surrounded by tubers.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Rippling sand dunes frozen in the Arizona rock.

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

Roadside Americana, fairy tale characters, and Austin quirkiness come together at this magical course in the heart of Texas' capital city.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

This stone windmill marks an old, mysterious homestead in what is now central Austin.

Some islands... they come, they go, especially on Lake Travis.