A simple statue outside a California Amtrak station honors the overlooked contributions of the "silent spikes."

The home of one of California's most important horticulturalists wilts amidst a lovely park.

This giant temperature attraction created some giant electric bills.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

A bigger-than-life pun that has become a beacon of altruism.

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

Quite simply the largest tree in the world (by volume).

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

A riverside tiny house with books and other treasures galore.

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

A shady solar power system that couldn't hold up to the harsh desert conditions.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

This highest peak in New Mexico is named after an explorer who had a habit of lending his monicker to peaks.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

The winter home of thousands of beautiful snow geese and sandhill cranes.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

A museum dedicated to the alleged Roswell Incident.

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

A Saint Nicholas-themed ghost town in the Mojave desert.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

The only Native American comic shop in the world.