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

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

A tunnel of hardened lava along Maui’s famous Road to Hana.

North Central Florida's largest flea market and a weekend roadtripper's dream.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

One of the few surviving "Wigwam"-themed motels.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

A peaceful, unique botanical garden complete with waterfalls, mini islands, and swans.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

This whimsical stacked cabin looks like something out of a children's book.

Commonly referred to as the most photographed Victorian home in the United States.

This freshwater spring fills with 10,000 gallons of water per minute.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

A storybook European village in Berkeley.

Friction between grains of sand cause a curious "singing" sound.

A medieval castle in the middle of rural Texas.

Treehouse motel and treehouse-building school.

"The House That Love Built" is shying away from "The House That Ghosts Love."

Imagine playing a version of Legends of the Hidden Temple, but with a distinctly Southern Gothic flare.

This large midwestern cavern features impressive rock formations and an underground waterfall.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.