Church in Manhattan holds the bloody sock of Padre Pio, among with many other unusual relics.

Need to book a room at the Hotel Pennsylvania? Just dial up 6-5000.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

There are owls with glowing eyes in Herald Square.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

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

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

Protecting the future of some of the rarest and most misunderstood mammals of North America.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

An engineering wonder at Pillnitz Castle protects a precious 230-year-old flowering shrub.

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

The remains of this visionary community can still be found much as it was a century ago.

This tiny 19th-century tunnel was built so a man could move his cows from one field to another.

A local scoured more than 1,000 acres for stone to create his masterpiece.

One of the few surviving "Wigwam"-themed motels.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

Railroad came. People came. Railroad left. Town died.

Rural churches in the middle of nowhere with religious frescoes by famous artist.

The highest point in Virginia can only be reached by passing through ponies and flowers.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

This path is named for a mythical half-boar, half-deer creature that once roamed the Green Mountains.