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

Take an otherworldly journey in a school dedicated to out-of-body experiences.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

One of the last active volcanoes on the Eastern seaboard.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

The lowest point in South Dakota and the source of the Minnesota River.

This monument remembers one of the manliest men of the frontier who fought a grizzly before dragging himself 200 miles to safety.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

This geodesic gallery holds a collection of painted spheres that make traditional canvases look lazy by comparison.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

This pebble beach is so beautiful that taking its rocks is against the law.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

A former barn converted into a massive train diorama.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

This cave holds a surprisingly colorful variety of geological oddities.

Reason for Michigan's potential diamond mine.

A bizarre house filled with an astounding array of collections.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

At this Wisconsin museum there are real ducks, fake ducks, duck calls and a Duck Blind.

Elaborate drama imparts an appreciation for 19th century hardships.

A mysterious light in the wood, rumoured to be the the ghost of a railroad brakeman.