A World War II battle site made famous by one man's heroic actions.

Elaborate series of tunnels where traces of mass suicide are still visible.

Okinawan dining in a twenty foot tall, man-made tree house overlooking Naha Harbor.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

This 50-ton ship on Orcas Island has never seen the ocean.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

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

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

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

An underwater city for the dead.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

Granting the right of way to ships over surface traffic since 1917.

The longest and widest floating bridge in the world.

Every summer West Seattle experiences a housing bloom.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

A frozen relic of Seattle's hydroelectric boom is now a teaching facility for future engineers.