A humid oasis combines recreation with exploration in a unique underwater cavern.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

Hidden in the plaza next to a pizza shop is an amazing little oddities shop.

A luxuriant botanical garden below sea level.

A hidden beach at the end of a tunnel of mangrove trees.

A haunted hill that supposedly defied gravity.

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

An underwater city for the dead.

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

Once named the “world’s oldest gas station” due to its unusual construction material.

A home covered with elaborate mosaic and other pieces of art.

According to local legend, a tree grew from the stake that killed this alleged vampire. In reality, he probably died from influenza.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

A mountaintop space observatory that is certified dark.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

Some North Carolina Cherokee have been keeping their history alive for decades with a single play.

This abandoned lighthouse looks like a rusting oil rig, but has managed to survive a number of storms.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

This nine-story building can be played like an instrument.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

One of the best places to see feral Colonial Spanish Mustangs in the United States.