Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Turning night into day in Victorian-era Austin to thwart a serial killer.

An emerald-green grotto just a short trip from Austin.

Haunting and beautiful trees, doomed to die.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Auburn's iconic eagle flight goes back to a 19th century eagle that dropped dead on the field after inspiring the football team to victory.

Monument to the cotton-destroying boll weevil.

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

Single runway interrupted by a busy road that cuts across its middle.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Electrical pylon in the shape of Disney's beloved mouse.

In paradise, feral pigs have claimed an island all to themselves.

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

A monument celebrating the idea of reaching inaccessible places.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

A haunted hill that supposedly defied gravity.

Like Mardi Gras, only everyone's a pirate.

A circus legend leaves an unexpected endowment.

Manatees congregate around a power plant's discharge canal where the water is especially warm.