Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

An enormous, inside-out glass globe built in 1935.

A monument celebrating the idea of reaching inaccessible places.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

An exotic wildlife habitat right off The Strip.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

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

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

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The city is full of whimsical portals to another world.

The birthplace of the Ford Model T is now a museum full of antique cars.

Weighing 30,000 pounds, this monument represents Detroit's first industrial era.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

The world’s largest Masonic temple was saved by the White Stripes.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

The bones of an old zoo crumbling in the shadow of a new one.