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

This beautiful grotto is one of those places where you can't believe you're just outside Austin.

Steep canyon walls hide a forested oasis in the West Texas desert.

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

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

Race through the maze, get your name on the sign.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

Just a man taking his prehistoric pet for a stroll.

The king of U.S. high points towers over every other peak on the continent.

This old mining town, deep in the California desert, has a year-round population of one.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

One of the world's largest collections of rare and magnificent bird specimens.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

Meet manatees face-to-face at this zoo for native species.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

An eatery for UFO seekers on the Extraterrestrial Highway.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

This research center for rare prosimians is studying how they sleep to help prolong human life.

The largest island on the great salt lake is home to curious creatures and strange stories.

One of many gator theme parks, abandoned in the sugar fields of South Florida.