Giant topiary dog once played a role in a terrorist bomb plot.

This 19th-century fountain's namesake animal isn't what you think it is.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

The Old Man of the Mountain’s less-famous, but still beloved little brother is said to resemble a leader of the Abenaki tribe.

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.

One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

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

The oddly shaped, steam-spewing building is now an art studio and gallery.

An eight-sided home built during a brief octagon craze in the 1850s.

The highest point in Virginia can only be reached by passing through ponies and flowers.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

This mountain trail inspired Nietzsche to complete his magnum opus.

This frequently-photographed waterfall takes only a short hike to visit.

Formerly secret, precariously perched boulders.

Ice roads, deep holes and 3,500 pounds of diamonds.

Tucked away on the second floor of a small town library is one of the great private Victorian taxidermy collections looking today very much like it did in 1909.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

A mysterious echo seems to defy the laws of acoustics.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

The ruins of the "20-year town" lay out among the mountains of Alberta.

A small and quirky museum hidden inside a fence.