Hollowed out cedar log tubs set in an ancient towering forest.

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

A hand-built folk art installation covered with messages of God's love.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Take a drunken tour inside the world's largest known geode.

This naturally-sourced hot spring is now home to a clothing-optional resort.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

A rare view of a preserved Victorian science museum.

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

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

Rainbow-hued local gem in Venice.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

A trash dump made beautiful by nature's power.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A one-of-a-kind collection of a unique medium.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.