A multiversal transit station located right below a highway interchange.

This massive home was constructed by one of the greatest conservationists in Colorado history.

American artist J. Alden Weir purchased this 60-acre estate for $10 and a painting.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

This super steep hike ascends 2,000 feet in less than a mile.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A daily replay of the experiment that proved the rotation of the Earth.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.