Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A historic Montreal market that was the city's agricultural hub for over century.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

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

The biggest museum dedicated to insects in North America, one of the largest in the world.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Alexander Hamilton’s creation caused quite a bit of controversy.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Step into a pastel time capsule where candy is truly dandy.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

One of Philadelphia's largest murals resides hidden under this bridge.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

The Lowcountry color with the power to stop evil from entering a home.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

This apartment building designed by a notable Washington D.C. architect housed the Qing Dynasty's Legation.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

A brass and marble scale model of the solar system embedded in the concrete.

A diminutive memorial marks the site of a successful assassination by a right-wing death squad in America's capital.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

Before founding the American Red Cross, Clara Barton had a tremendous humanitarian impact by locating thousands of missing soldiers.