A massive cave once a secret military base is now home to thousands of bats.

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

An unfinished rail tunnel that has since been used to house cheese and bats.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

This unique tower has been home to malaria-fighting bats for 100 years.

Each summer, the migratory bats living beneath the bypass form "batnadoes" at dusk.

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

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

The summer home of the largest colony of bats in the world.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

An art deco ice cream shop covered in vintage train station tiles.

The world's spiciest ice cream comes from Glasgow.

This salad has two key ingredients: hearts of palm and green ice cream.

More than 3,200 cookie jars line the walls and shelves of this little shop and over 1,000 salt and pepper shakers

Shop the world's largest number of ice cream flavors, ranging from delightful to downright bizarre.

A small Wyoming town is home to the state's oldest-operating soda fountain.

Meat and seafood are part of the frozen dessert flavors available at these legendary street stands.

The pharmacy's retro ice cream mixer is one of the last of its kind.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

Built in the 1970s, this curious modular home found new life as a sundae-shaped ice cream stand.

The first patented shaved-ice machine heralded a snowy wonderland of iced treats at a favorite New Orleans summer shack.

Castro's communist ice cream mothership has been serving five-scoop "salads" for over 50 years.

The frozen treats at this Cape Town parlor are inspired by Africa's food cultures.