This sidewalk tribute honors Colorado's great culinary creation.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

When ecosystems collide in the arid Southwest.

One of the most accessible undersea plane wrecks in the world.

A replica of one of the more than 15,000 civilian lookout towers that lined the U.S. coast during World War II.

The site of Paul Revere's historic two lantern warning.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Dim sum, served in a grand old theater.

The classic Christmas carol was written at this Massachusetts tavern in 1850.

This site commemorates the former inn and restaurant where the chocolate chip cookie was first crafted.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

Visit a sweet shop selling one of the first candies ever made and sold in America.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

A collection of full-size movie monsters opened to the public.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

A museum dedicated exclusively to the lore and history of ouija boards.

Launchpad for the US military’s dead mouse operation to battle millions of snakes.

Located on Guam's south shore, this small cave is named for an ancient and powerful Chamorro Chief.