A castle that was built stone by stone by an eccentric journalist.

The world's largest bioluminescent area was undiscovered by science until 2005.

Church and home-museum of a 1920s female revivalist preacher with a very sordid past.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Celebrating the accomplishments of Black firefighters in Los Angeles.

A 9 year-old boy’s elaborate cardboard arcade in his father’s used auto parts store.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A one-of-a-kind collection of a unique medium.

Historic funicular railway, believed to be the shortest railroad in the world.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Florentine Renaissance style building in Switzerland, home to the world's largest taxidermy Great White Shark.

A naturally beautiful, seemingly bottomless deep blue spring.

This one-time health resort was used by aristocrats around the world.

A whimsical bridge adorned with decorative dragons.

An emerald-green grotto just a short trip from Austin.

If there is one thing you don't want to be in Sweden during Christmas, it's a Yule Goat.

It houses the remains of a 17th-century version of the Titanic.

Ancient burial grounds of the wealthy.

The single richest source of elemental discoveries in the world.