The only Bahá'í house of worship in North America and one of only a handful worldwide.

A science teacher's dream.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

An enormous park-like oasis, full of famous Chicagoans’ graves.

An antiquated German apothecary on Chicago's North Side.

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

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

The Bong-area park police have asked visitors to please, stop stealing the signs.

Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

A place to eat for on-the-run agents and espionage enthusiasts.

This striking art museum holds an amazing series of curiosity cabinets.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

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

A bizarre house filled with an astounding array of collections.

This seemingly cursed monument is dedicated to one of Canada's great war heroes.

These caves secretly held national treasures during World War II.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

A solemn reminder of the infamous World War II war crime that massacred almost all the men in a small Greek town.

This historic structure has been used as a mosque, a barracks, a prison, a school, and a bakery.

A Byzantine-era church hidden in a wooded area below the Acropolis.