Places riedermarcus Wants to Go

Once the most densely populated place in the world, this island is now a ghost town.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

The sunlight passing through the opening of this huge cave system creates a magical effect.

This cave system allegedly holds the "metallic library" of a lost ancient civilization.

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

Peek into a cave of giant, glimmering crystals.

One of few vertical lava tubes in the world accessible by foot.

The spectacular geological formations make it one of the most impressive caves in Europe.

A subterranean playground in an abandoned slate mine.

Mural made of 100,000 pieces of hand blown glass, and one of the largest glass murals in the US.

This professional clown's home is an outsider art wonderland.

A church of bones, decorated with 40,000 human skeletons.

A lover's walk between hilltop towns, decorated with graffiti love notes.

A collection of witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

Take a drunken tour inside the world's largest known geode.

While walking down Mazatlan's historic boardwalk, visitors are surprised to find their ocean view interrupted by a gateway to hell.

This small-batch, artisan chocolatier whips up speciality confections and seasonal treats.

The pharmacy's retro ice cream mixer is one of the last of its kind.

The magic's in the hole!

Sample cuisine inspired by the Great Plains indigenous people who have been gathering at this sacred Canadian Heritage Park for 6,000 years.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This sculpture in Denmark presents Arnold Schwarzenegger embracing his own doppelgänger.

Giant quails play and greet visitors at a suburban park.