Once America's tallest structure, now a Baltimore landmark.

This monumental sculpture that welcomes visitors to Bethany Beach is a tribute to a regional Nanticoke Indian Tribe leader.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

There aren't too many operational funiculars around, but Pittsburgh has two!

What began as an illegal art installation has become a symbol for unity, ocean awareness, and coastline preservation.

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

An eerie natural formation that looks right back at you.

Meet 'Big Josh,' the 20-foot-tall muffler man.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

This giant temperature attraction created some giant electric bills.

A unique collection of old miners' cave homes carved in to the hillside cliffs near Death Valley.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

A land of debatable treasure.

The most magnificent bottle house in a town strangely full of them.

"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Odd outsider art installations surround a Gold Rush-era ghost town.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Temporary Burning Man sculpture made of two 18-wheelers.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

The massive machine creates cracking displays of indoor lightning.