Dig for your own trilobites in this goldmine of invertebrates.

A small flooded ghost town with a few scattered structures remaining.

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.

The beloved home to all publications indie, erotic, and punky.

No one knows how many bodies are in this vault in a Chicago public park.

This folk art wall claims to be the world's one and only memorial to the bygone age of hippies.

These abandoned grain silos and tunnels are an urban exploration dream.

Even with only two residents and one building, this tiny Illinois town is famous for its burgers.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

Internationally known record store and purveyor of "dusties."

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

Rusty pieces of metal jutting out of a breakwater are all that's visible of the 12,500-ton ocean liner that capsized just off the beach.

A working model of a pressure-driven, high-speed rail whizzes around a private vineyard.

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.

Rising out of miles of farmland, these buttes are sometimes called the world's smallest mountain range.

Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

San Francisco's first World's Fair, dedicated to the wonders of California.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

On a quiet suburban street stands a peculiarly decorated house covered in mosaics.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

Room 32 of the Alta Cienega Motel has grown into a shrine to the Lizard King.