One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

Quite possibly the last cross all humans will ever see.

The only boathouse Frank Lloyd Wright ever designed was also the only unbuilt structure in his famous Wasmuth Portfolio, until 2007.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

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

This cabin survived a landslide that killed its owners.

The 92-foot-tall structure is based on the aircraft that carried the first Americans into space.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

The largest glacial erratic boulder on Cape Cod.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

Mural fragments and various sculptures honor the longtime artist.

A historic coal mine that doubles as a museum and tourist attraction.

In the mountains of West Virginia is this perfectly preserved Art Deco train station.

This functioning mill was built in the 1970s using parts from several other West Virginia mills.

This statue of the "father of television" stands prominently in the United States Capitol.

This poor little statue is the most vandalized memorial in Washington.

A glimpse into the sacrifices of military members during World War II.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

These five Art Deco homes were meant to solve the "small house problem."

This iconic Lancaster everyman has been reading the same story since 1980.

The oldest farmer's market in America is so ancient it was approved by the King of England.

An outlandish shoe shaped house built by an eccentric millionaire.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.