One of the few surviving "Wigwam"-themed motels.

A bronze statue of Mister Rogers in the neighborhood where he grew up.

10,500 square feet of pinball housed in former dollar store and home to the last playable "Thunderball."

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Enormous lake at the bottom of a unique cave system.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Rare recess caves fill this unbelievably beautiful Ohio park.

The world's longest known cave system.

Canada's oldest railway tunnel is illuminated in a rainbow of color as it passes under the streets of this small city.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A unique gallery filled with art that is interactive, accessible, and generates a ripple effect of creativity

High in the Sacramento Mountains, a facility dedicated to studying the sun.

This remote camping site offers incredible stargazing opportunities.

Explore a misty river canyon from a metal bridge system.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

Inside this small museum resides a strange mix of miniature collections passed down over time.

A frozen oasis lies beneath the scorching New Mexico desert.

The state bird of New Mexico, constructed entirely out of garbage.

Home of the International Space Hall of Fame.

A home base for Judy Chicago, one of America's leading radical feminist artists.

More than 21,000 images fill this overlooked gem of a prehistoric site.