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 old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

These abandoned grain silos and tunnels are an urban exploration dream.

Former meatpacking facility turned vertical farm and sustainable business complex.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A hollow cement depiction of time's inexorable effect on the human body.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

The poet's been ambling through these New York woods since 1940.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

West Point’s only monument to a woman veteran stands above an empty grave.

This high-perched pachyderm marks the memory of not one, but two elephants gunned down in small New England towns.

This forlorn park is the result of a failed investment turned tax dodge.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

The land is home to swimming ponies and a legendary 18th-century treasure.

A statue of the English poet for whom this Delaware town is named is ritually dressed in seasonally appropriate clothing.