Tour the sci-fi-esque reality of governmental disease management.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This underground oasis is one of North America’s most fascinating prehistoric places—and you can scuba dive in it.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Home to items never before seen by the public.

A much more welcome kind of snowbird vacationer, manatees camp out in these springs every winter.

A beautiful geyser under environmental threat.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

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

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

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A huge musical instrument played by the ocean.

Grand Cayman is home to a colorful sculpture garden filled with giant concrete animals.

Send a postcard while vacationing with Satan.

After the parade, students throw their beads on the tree hoping for good luck on exams.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

A house of courtship where the Jazz Age's most storied lovers got their start.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.