The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Large but largely ignored, these 42 life-size Liberty Bell replicas were a peculiar, unexplained feature on the facade of a Macy's department store.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Get up close to emus and ostriches, or buy their tasty meat.

Bits and pieces from the ill-fated Donner Party's winter cabins.

A remote crossroads honoring a fallen talent.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The last of its kind in the country.

Resting place of Hollywood's immortals is also site of summer film screenings.

Wild West history in Hollywood style.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

A hotel and restaurant serving as the mecca of kitsch.

A Nesting Doll of Churches.

Ancient serpentine sacrifice holder that has stood the test of time.

Large collection from the 3rd millennium BCE.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Where commuters walk through remnants of an ancient Greek necropolis.

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

A massive volcanic plug is now a protected area that hosts a number of bird species.

An alley covered with 20 years of bubble gum.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

See massive fossils that are over 200 million years old in northeastern Arizona.

A "miracle" that seems to produce more holy fistfights than holy revelations.