A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

These markers are used to document elevation changes around the famed dam.

The largest collection of woven silk tapestries in the world.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

This recently restored timepiece has stood all around Kansas City.

A massive museum preserving the United States culture and the home of Abraham Lincoln's sleigh.

A eclectic collection of military memorabilia.

Once a slice of Cold War-era military history, this museum is finding its future in the stars.

A miniature baseball stadium honoring Johnny Rosenblatt Stadium, home of the College World Series from 1950-2010.

California's longest-running tourist attraction is a stump.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The unbelievably opulent home built for an infamous newspaperman.

A massive volcanic plug is now a protected area that hosts a number of bird species.

These were the largest wind chimes in the world when artist Tom Van Sant created them for a California mall in 1967.

A museum dedicated to restoring vintage aircraft, located at a working airport.

Abandoned Air Force base that has fallen into disrepair.

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

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

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

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

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

The massive machine creates cracking displays of indoor lightning.