A relief that wraps around the concourse of Los Angeles's World Trade Center marks one of the city's failed urban design plans.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The oldest surviving wood-frame building in North America is still in the family.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

The hill that gave the Massachusett tribe, and later the state, its name.

The gambling entrepreneur who built a city was also an avid collector of classic cars.

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Turns out you can see the world without ever leaving Maine.

What started as a way to address damp basement walls turned into a house filled with intricate hand-carved designs.

On the shores of Lake Superior, a small group of monks makes sacred sweets.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

An enormous, inside-out glass globe built in 1935.

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

The filming location of a shark attack in Steven Spielberg's famous shark movie.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This candy-colored storybook village originated as a 19th-century Methodist campground.

A small, red building located along a state highway where the 18th Vice President made shoes in his youth.

The last SR-71 ever constructed.

Built in 1927, this pink stucco hotel once hosted stars of Hollywood’s silent movie era. Now it's being brought back to life.

These simple structures are living monuments to the fishermen who built this community over a century ago.