America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

A chance to sleep among the firs and pines of the Oregon forest.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

The ghostly remains of what was once the world's richest copper mine.

A volcanic landmark located on an Ice age lake bed.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

A vertically floating hemlock controls the waves and weather at Crater Lake.

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.

Formerly secret, precariously perched boulders.

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

An obscure waterfall that looks like something out of a fantasy novel.

An institution that preserves the history of institutionalization.

The longest continuous lava tube in Oregon.

One of the oldest of its kind.

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

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.