In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This massive redwood tree has a hole in the base big enough to drive through.

An optical illusion found amid a logged redwood forest.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A living time capsule of the 1960s Richardson Bay water-front.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

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

Giant jewel-toned statues fill the grounds of this Cambodian Buddhist temple in California.

This hidden amusement park is a magical escape for kids and kids-at-heart.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

A collection of haunted objects and macabre oddities under one roof.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

This playground sculpture of an icon from the past is dedicated to the children of the future.

The decorations were inspired by an unlikely missing treasure.

The highest bridge in America was built for an almost unnervingly small amount of money.

This hot dog-shaped diner has moved all around Colorado, but has never been to New York.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

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

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

A castle built by an eccentric medieval enthusiast in suburban Ohio.