A cave's rare beauty held a cavernous secret hidden underground.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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

Rare recess caves fill this unbelievably beautiful Ohio park.

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

A roadside collection of over-sized iron creations that are a bit more macabre than most.

An entire city block built completely out of petrified wood.

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

Taxonomy experiment known for quirky collections.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A very big rock just plopped down in the New England woods.

Even Henry David Thoreau found this glacial pothole irresistible.

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

According to the experts at the Guinness World's Record office, this is the longest candy counter in the world.

A town wears its heart on the sleeve of a smiling girl, arms flung wide open in a cheerful greeting for all who encounter her.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

These trees are living witnesses to events that inspired poet Walt Whitman’s service during the American Civil War.

Extraordinary objects lurk in this quintessential regional museum.

Outsider art meets paleontology at this roadside reptile repository.

The world's largest wooden structure.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.