The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

The blinking light atop the iconic landmark has been sending secret messages for decades.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

27-room home built with the fortune of a sugar magnate.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

This turn of the century masterpiece has a mysterious goaty interloper.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A fitting attraction for the corn capital of the world.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A monument to the center of the North American continent may be off by a few miles.

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A statue honoring 44 continuous years of greeting passing ships.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.