This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Stairs often replace streets on the steep slopes of this old mining town.

What is the Thing?

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

Largest Roman Catholic church in North America.

A museum dedicated to exhibiting remarkable outsider art.

The trials and tribulations of marking Poe's grave.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

A tiny islet just off Long Island offers a wealth of infectious curiosities.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

An unrealized dream to wirelessly electrify the entire Earth.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.

The second-largest (of only two in the world) large particle collider is the underdog of experimental physics.

A formerly abandoned mental institute, now back in business.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

A mysterious air force base built to resemble a Long Island fishing village.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.