Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

This massive oak tree has ties to the first native tribes of the region and the founders of Texas.

A tribute to a great Texas blues musician.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

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

Alabama’s oldest and largest metaphysical shop.

A modest Alabama recording studio where some of music’s biggest voices found their sound.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

A surreal, interdimensional shopping center and portal to another universe by Meow Wolf.

A homage to the King at the hotel where he revived his career.

A unique shopping and dining park created from old shipping containers and filled with local businesses.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Drink wine handed out through a window as part of an age-old tradition.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This elaborate towering structure was once famed for its revolutionary height.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

A pair of gargoyles peer into unsuspecting passengers at Denver’s conspiracy-packed airport.