The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

One of the largest underground systems runs under Canada's largest urban center.

Soaring over the Niagara Whirlpool since 1916.

This unusual subway stop was originally a real estate office.

The poet's been ambling through these New York woods since 1940.

This restored house is like a time capsule of the president's unconventional inauguration.

Buffalo's abandoned concrete grain elevators are getting a second life.

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

Golden plates containing what would become the Book of Mormon were believed to be buried on this New York hillside.

Here be dragons.

A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

A 60-room castle constructed by a horse-racing heir.

It's not a typo, now say it five times fast!

A recreated sign from the movie Jumanji has become a makeshift tribute to the film's late star.

This vessel is believed to be the oldest operating fireboat in the world.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

House used in the 1971 horror film "Let's Scare Jessica to Death."

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

To avoid the demolition costs this abandoned drawbridge was simply left in the up position.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.