An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

A layered tribute to the work of mosaicist Isaiah Zagar.

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

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

This downtown Dallas art installation is always on the lookout.

The world's tallest statue of an American hero.

Outposts of this restaurant chain were shaped like jaunty chapeaus.

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

A snapshot of the city's fascinating voodoo culture.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

Miraculous tree that seems to sprout out of solid rock.

One of the smallest towns in the United States.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This weird abode has inspired everything from the "House on Haunted Hill" to a robot hunter's pad.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

Most famous work of one of Frank Lloyd Wright's sons.

The private clubhouse for the members of the Academy of Magical Arts.

This painted blacktop brings the classic arcade game to life.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

This working class sculpture pounds his hammer all the livelong day.

A colorful architectural gem in Seattle’s uniquely modern Central Library.