This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

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

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Elvis's own personal tropical hideaway.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The unusual burial monument of Arizona's first governor.

A geological mystery on Camelback Mountain.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

This double-arched masonry highway bridge is the only structure of its kind in Minnesota.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The "lovely red Vega" of the legendary record-settling pilot.

It's easy to forget what century it is as you wander this rustic homestead.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A downtown park built on top of unclaimed graves.

The stone sculpture of an Ottoman soldier is an homage to a lost Providence landmark.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

This private residence was the template for one of the most beloved television homes of all time.