A haunted hill that supposedly defied gravity.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Town of spiritualists and mediums in Florida.

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

Memorializing an American tragedy of massive proportions.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

At 207 feet, one of the world's longest continuous escalators.

The world's largest fully steerable radio telescope.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.