Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

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

"X" marks the spot of an echo chamber in the middle of a plaza.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A true roadside icon standing on the same plains that the herds once roamed.

A monument to the center of the North American continent may be off by a few miles.

The remnants of an early American attempt at missile defense.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

These once-beautiful historic graveyards are set against the barren Virginia City hills.