The only remaining historic maritime signal station in the United States.

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

Dedicated to one of the darkest moments in Irish history.

The colonial home of Paul Revere during the American Revolution.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

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

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

Located within a historic park, the beacon is the oldest standing structure in Miami.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

The only castle in North America to ever house European sovereigns.

This tiny garden was built specifically to provide a place of peace and serenity away from the busy city streets.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

Take in a sweeping views of Guanajuato—and save yourself a hike up a steep hill—on this funicular.

Mexico's astounding mummy museum with "the world's smallest mummy."

Lions and tigers and leopards, servals, pumas, bobcats, lynxes, and ocelots... oh my!

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

This historic lavatory leftover features two levels of defecation stations completely without context.

You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

A rare cliffside vantage point of Lake Michigan with an explosive history.

The inconspicuous grave of the University of Illinois' first president is just steps from the main quadrangle.

Fragments of a massive unfinished sculpture sit near the main quad of the University of Illinois.

The oldest experimental corn field in America is still creating better ways to grow crops.