What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A science teacher's dream.

These mansions date back to Chicago's days as a brewer's paradise.

A long lost multi-cultural music venue used to reside in the bottom floor of Chicago's Flat Iron Building.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

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

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

At 207 feet, one of the world's longest continuous escalators.

What's that on the side of that building? Va Va Voom, it's Bettie!

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

Seattle’s Whimsical Mural Master.

A castle built by an eccentric medieval enthusiast in rural Ohio.

This magnificent Cincinnati graveyard is also a popular public park.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

The magic's in the hole!

Portlandia is the second-largest copper repoussé statue in the United States.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

An emporium for the weird, creepy, rare, and just plain gross.

Granting the right of way to ships over surface traffic since 1917.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.