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

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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

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

An enormous, inside-out glass globe built in 1935.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

A unique set of caves that spits waves back out into the ocean.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The iconic remains of the original Academic Hall that burned down in 1892.

An adorably sweet display of sculpted Precious Moments figurines.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

Curious cave that stays a cool 56 degrees all year long.

Less a museum than a bizarre fantasy world created by artists and engineers.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

This 12-foot-tall T-rex is the largest K’Nex skeleton sculpture in the world.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

One person’s lost luggage is another person’s treasure.