One street divides a single town that stands in two U.S. states.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

Originally dubbed "Retirement" by the Navy Commodore who built it in 1780, this beautiful mansion is now the centerpiece of a suburban community park.

The narrowest house in America is seven feet of pure spite.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.