Step inside Lucy, the world's largest "elephant."

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

This statue honoring the most decorated dog of World War I stands in a Connecticut park.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

Come for the Italian food, stay for the taxidermy and giant statues.

World War II bunker still standing on the New Jersey beach.

A layered tribute to the work of mosaicist Isaiah Zagar.

A collection of relics from the Spiritualist Camp Chesterfield.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A rare particle accelerator with a tremendous energy range is tucked away at Ohio University.

The magazine keeps a perfectly groomed display garden for its photo shoots.

An experimental, automotive replica of Stonehenge.

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

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

Museum dedicated to the struggles of the disabled.

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

A forsaken wonder in the middle of the East Side neighborhood.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

An elaborate memorial to a man local legend says died of a broken heart.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

This throwback amusement park is home to rides and unique storybook figures from the past.

The "Seinfeld" diner.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.