The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

Legend says Dungeons and Dragons players can get their dice blessed at the creator of the game's memorial.

The eccentric mansion of one the most popular horror authors of modern times.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

This family driveway also serves as the highest point in Illinois.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

An unassuming house in Wisconsin hides a transient artist’s magnum opus.

The world’s largest collection of angel figurines includes 600 black angels donated by Oprah Winfrey.

The only Frank Lloyd Wright-designed structure in the architect's hometown.

A former barn converted into a massive train diorama.

The tunnel that runs beneath this former inn was once a hiding place for enslaved people seeking freedom.

This unique zoo is the only place in the world where you can see all 15 species of crane.

A large circus museum with summer performances.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

The final resting place of one of Thomas Jefferson's formerly enslaved sons.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

Where experiments are conducted on all things wood.

Before he was America’s most famous preservationist, John Muir was an ingenious mechanical inventor.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

Comprised of Spanish war cannons, this sculpture once graced the bow of a WWI warship.