A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A whimsical village of unique treehouses resides in a Washington forest.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This landmark cemetery in Boston was created more than 300 years ago.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

The largest collection of historic military firearms in the United States.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

A statue honoring 44 continuous years of greeting passing ships.

This house was largely built out of hundreds of thousands of discarded glass embalming fluid bottles.

A museum dedicated to the history and exploration of both popular music and science fiction.

This candy-striped tower is the farthest east you can go in the United States.