The world's largest wooden structure.

Wine bottle sculpture with a ship's stateroom inside.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

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

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

A reproduction of earth's many biomes.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

San Francisco's newly reopened hands-on science museum.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Furniture tries to escape an abandoned building in San Francisco.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A hotel and restaurant serving as the mecca of kitsch.

Elevated freight railway turned wildly successful urban park.

A hand-built folk art installation covered with messages of God's love.

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

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Two large posteriors in one giant statue.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Commonly acknowledged as the only public monument to the Devil himself.