This massive airship factory is so large that it has its own indoor weather.

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

Pay your respects at the final resting place of the man behind one of the best-known names in food.

A gas station has taken the place of the home of the 19th American President.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

Known as "The Dome" this is the world's largest open air geodesic dome.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

A patch of contaminated land reclaimed as a scrappy sculptural oasis.

From lefty Jewish gathering site to hip cultural site in just 80 years.

Every year, the colorful murals of Montreal get a complete makeover.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

This public art pays homage to the baseball legend and civil rights icon and his time in Montreal.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

A preserved factory in the "Home of the Carrousel" is now a museum dedicated to the classic wooden ride.

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

Ornate and vibrant, this temple is a colorful place of worship for Columbus's Thai and Laotian communities.

This 35-foot-tall hamburger-toting chef is said to be the largest bobblehead in the world.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

A monument to a Polish general who fought the American Revolution and became the "Father of the American Cavalry."

A Byzantine-style concrete artwork pays tribute to a 17th-century saint.

Created by four famous men (Henry Hobson Richardson, Frederick Law Olmsted, Calvert Vaux and Thomas Story Kirkbride), the beautifully designed Buffalo State Asylum was resurrected as a hotel and art center...but still boasts a ghost story or two!

This sprawling collection of saintly relics includes such fascinations as wood from the Cross of Jesus and threads from Mary's veil.

Museum dedicated to the struggles of the disabled.