This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

The land is home to swimming ponies and a legendary 18th-century treasure.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

These lush botanical gardens employ the most purrfect pest control force.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

A local prank turned town icon.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

This replica of the Greek structure is in the heart of Nashville.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This jail which was in service for over a century is now open for curious visitors.

A semi-scholarly approach to sex.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

A unique sculpture park that specializes in the huge and bizarre.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A contemporary fresco movement illustrates the region's rich history.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One of the largest underground systems runs under Canada's largest urban center.

Quito's historic, main square dates back to the 16th century.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

One of the world's largest ice festivals dazzles visitors for over a month with radiant sculptures and carvings.