The building that inspired Shirley Jackson's "The Haunting of Hill House."

One man's swirling six-acre monument of stone.

Eclectic architecture in the woods of New York.

The massive machine creates cracking displays of indoor lightning.

The artwork commemorates the many ways 20th-century people perished while on the clock.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

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.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Driftwood dinosaurs lurk within trees covered in a rainbow array of avian abodes.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

One tree's homage to soles past and present.

A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

This small, hidden cove is home to abandoned boats.

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

An arcade packed with a rotating collection of unique independent video games.

The largest known open fault in the United States is basically a giant natural refrigerator.

Abandoned rock quarry now a haven for mountain bikers and hikers.

The largest Buddha statue in the Western Hemisphere is just 50 miles north of NYC.

Reforestation in action is the main attraction in this abandoned quarry.

Teddy Roosevelt’s famous “midnight ride to the presidency" started at this small lake high up in the Adirondacks.

A hamlet full of permanent Christmas spirit holds one of the earliest theme parks in the United States.