This now-abandoned shopping center in Playa del Carmen was built to resemble a medieval European castle.

Few of the many visitors to this resort town know of its hidden Maya ruins.

An 18.9-meter tower that pays tribute to the Pennsylvania-German pioneers who settled the Waterloo Region between 1800 and 1803.

A monument to the art of slicing people open.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

This small piece of Michigan is entirely surrounded by Ohio.

This uniquely shaped tombstone is dedicated to the project construction superintendent for the Empire State Building.

This former big box store has been reimagined as a massive public art space.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

Smallest house in Toronto sits on a lot meant to be just wide enough for cars to drive through.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

This Toronto garden collects stares and tchotchkes in equal measure.

Quite possibly the last cross all humans will ever see.

Western New York's largest independent bookstore doubles as a historical repository of all things Niagara Falls.

This 1836 church, constructed by formerly enslaved people, honors a leader in Afrocentric music.

This museum pays tribute to the largest group in the Iroquois Confederacy.

This Frank Lloyd Wright summer house was designed along Lake Erie as a retreat for a client's wife.

Wisconsin's most celebrated export gets the royal treatment on I-94.

An abandoned, rusty old relic of railroad history stands at attention over the Cuyahoga River.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

A near tragic event on this bridge helped inspire the classic film "It's a Wonderful Life."