This slender three-story building has also had several famous residents.

This site commemorates the former inn and restaurant where the chocolate chip cookie was first crafted.

Come for the waffles, stay for more waffles.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

More gold than anywhere else, ever.

A crumbling hospital from the 1850s on Roosevelt Island.

Colorado's only true geyser is hidden within the San Juan National Forest.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

An antique store houses the last operational diner from the defunct department store chain.

Time travel with sweets across history at this research-based candy store.

One of the last remaining covered bridges in the province of Ontario.

A 14th century castle built on the seat of a mighty giant.

This Frank Lloyd Wright summer house was designed along Lake Erie as a retreat for a client's wife.

This famous church is adorned by a mural commemorating the independence of Vatican City.

Finally, you don't have to be a pious Swedish seaman to relax like one.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

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

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.