A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A hotel and restaurant serving as the mecca of kitsch.

This shop specializes in oddities and Victorian-inspired wonders.

A hand-built folk art installation covered with messages of God's love.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The ghostly remains of an accidental sea.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A huge musical instrument played by the ocean.

What was once a unique system of urban elevators is turning into a mechanical ruin.

A huge boat-shaped hotel with a blood red pool and other oddities.

The bookstore with bookshelves built into unlikely places.

The narrowest house in Buenos Aires is less than 10 feet wide.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

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

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Medieval torture techniques with a modern conscience.

Five candy-colored villages on the Italian Riviera.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.