A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

This freshwater spring fills with 10,000 gallons of water per minute.

Outsider art meets paleontology at this roadside reptile repository.

The history of funerals and funerary customs.

A Northwoods sporting competition that shows lumber jacks doing much more than cutting down trees.

The birthplace of America's favorite fruit-flavored mystery dessert.

This natural sea cave hides a small wonderland of natural turquoise beauty.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

Moonbows over Kentucky.

This Toronto garden collects stares and tchotchkes in equal measure.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

The world's longest known cave system.

One man’s vision of living among dinosaurs credits Jesus Christ as the engine of biological evolution.

Statue dedicated to the star of an old television show.

A place to eat for on-the-run agents and espionage enthusiasts.

The world's largest collection of the world's largest objects is in one small Illinois town.

Wisconsin's most celebrated export gets the royal treatment on I-94.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."