Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

Ecuador's first Catholic church was built by Spanish conquistadors in 1534.

A swing to dangle you off the very edge.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

100 massive sculptures in the Hudson River Valley.

There must be a pun in this haystack somewhere...

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

The only road through the heart of Glacier National Park.