One of the world's largest model railroads is a mind-boggling achievement.

A billionaire heiress' menagerie of animals were lovingly laid to rest on the grounds of her former estate.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Ruins of a once-opulent grand Victorian resort.

The oldest active mini golf course in the U.S. has an elegant Art Deco style filled with lush tropical plants.

These boots are made for selfies.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

One part antique store, one part curiosities hodge-podge.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Turning night into day in Victorian-era Austin to thwart a serial killer.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Continuing the tradition of the dime museum in style.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

This charming woodland trail is peppered with poetry.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

Pluto is still considered a planet in Ithaca, New York.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

Opened in 1947, this is the oldest continuously-operating drive-in theater in New York.

A collection of the best toys ever made, The National Toy Hall of Fame is filled with kids, fun, and for some reason, a bird preserve.

An abandoned tuberculosis hospital moulders on into an uncertain future.