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

Stolen goods adorn the organ at Old North Church.

The massive machine creates cracking displays of indoor lightning.

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

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Beautiful steampunk ghosts of early Massachusetts.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This highway overpass was named after the tragic disappearance of a young mother who got mixed up with the wrong people.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A tiny but mighty little pumper sits in the middle of the street, waiting for the next big oil strike.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

The largest land animal skull ever discovered.

The Grand Canyon of Texas.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

This is one really big nut.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A unique geological area spiked with wind-carved rocks that resemble teepees.

A museum dedicated to the alleged Roswell Incident.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A sprawling collection of over 106,000 toys from around the world.

One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.