A retired tobacco farmer's pet project turned into a sturdy miniature city.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

The largest earthwork effigy in the world.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

A succinct inscription commemorates the ebb and flow of a woman's life.

This whimsical fountain pays tribute to Toronto's four-legged friends.

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.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A psychological self-portrait in the form of a giant, segmented head.