Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

Celebrating the works of a beloved Italian actor, known for such cult films as 'They Call Me Trinity' and 'Watch Out, We’re Mad!'

One of the world's heaviest musical instruments towers within a popular urban park.

A dilapidated space station with overtones of 'Alien' and 'Bladerunner' featuring a multiplayer games galore.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

Come stay at a live-in art installation.

A miniature village mimics the surrounding buildings so well it includes itself.

Puzzles within puzzles hide a golden treasure in this hedge maze.

A popular winter vacation destination for migrating monarch butterflies.

The first attack on the continental U.S. during WWII occurred off the coast of a quiet California golf course.

A house built from trash known as the poor man's Hearst Castle.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

The ruins of the castle that chemicals built.

California's oldest wind harp represents a historic piece of America's Danish history.

A hotel and restaurant serving as the mecca of kitsch.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

Factory that once supported an entire company town of 350.

Celebrating the accomplishments of Black firefighters in Los Angeles.

This hands-on math museum believes in turning concepts into constructs.

One of Los Angeles's first murals once vibrantly depicted the dangers of United States imperialism.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

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