Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

Steepest flood safety railway in the entire world.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

Hundreds of protractors affixed to surfaces all over the city.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

Alexander Hamilton’s creation caused quite a bit of controversy.

An Irish Memorial commemorating those who perished due to potato blight.

Memorializing an American tragedy of massive proportions.

For decades, it has disappeared and reappeared as water levels rise and fall.

A failed piece of Orientalism has become the proud symbol of a community.

Dr Barnes' $25 billion private collection of art and arboretum.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

A toxic ghost town sitting atop a massive coal fire.

Where the oil industry began.

Mysterious rocks that ring musically when struck.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

The largest collection of model trains in the world is actually run using full-size locomotive technology.

Passengers are not allowed to set foot outside this station, but you can still enjoy spectacular views of the sea from the platform.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

Ancient pueblos built into the base of a natural canyon wall.