The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

This massive redwood tree has a hole in the base big enough to drive through.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Belly up to the bar in Cowtown, don't forget to buy some boots.

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

A popular swimming hole that hides one of America's most deadly diving spots.

An emerald-green grotto just a short trip from Austin.

A modernist landscape of water and sci-fi concrete.

Where monkeys run wild and the humans are caged.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Where manatees are the snowbird vacationers in these balmy Florida springs.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

An exotic wildlife habitat right off The Strip.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

This shop specializes in oddities and Victorian-inspired wonders.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The only rotating bar in New Orleans has been slowly spinning since 1949.