An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This giant disembodied horse head seems to balance impossibly on its nose.

A local prank turned town icon.

An outlandish shoe shaped house built by an eccentric millionaire.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

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.

In which a local geological marvel becomes a quaint roadside attraction.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A toxic ghost town sitting atop a massive coal fire.

Mysterious rocks that ring musically when struck.

This beloved marketplace mascot poops money and grants good luck.

The abandoned coal loading dock is a canvas for unsanctioned art.

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

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.

Yo, Adrian!

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An abandoned convention space that has been left to the homeless and the radical.

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

A unique piece of graffiti offers a little slice of local history and mystery.