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

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

Mysterious stone tower featured in many alternative histories of the New World.

The rusting remains of the largest assembled WWII fleet on the West Coast.

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

A former copper mine which became a truly unsuccessful prison.

This small-town pizzeria won the Hollywood lottery.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

The final resting place of the world's first nuclear reactor.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

An Irish Memorial commemorating those who perished due to potato blight.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

The Burnside Fountain and its questionable interpretation.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Erotic art covers the walls of the largest ancient pleasure palace.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.