A mysterious echo seems to defy the laws of acoustics.

A roadside park in eastern Maine first marked the halfway point between the equator and North Pole with a brass pin in 1896.

A monument marks the beginning of the longest north-south road in the United States.

A gardener's enduring labor of love is spread throughout a small Vermont town.

An ancient glacial pothole waterfall in the heart of the Green Mountains.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Three buildings constructed of over 25,000 multicolored glass bottles.

This Frank Lloyd Wright summer house was designed along Lake Erie as a retreat for a client's wife.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

Its original statue was deemed so ugly, locals called it “Scary Lucy.”

This Buffalo museum hides an Art Deco gas station designed by Frank Lloyd Wright.

A 19th-century architectural wonder designed by the "father of the skyscraper."

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Eclectic architecture in the woods of New York.

A gazebo that inspired the fifth episode of the "Twilight Zone" still stands in the creator's hometown