Western New York's largest independent bookstore doubles as a historical repository of all things Niagara Falls.

The seat of Buffalo government is a gorgeous Art Deco palace.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

Nothing says indulgence like a 1,500-pound chocolate castle.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

Sail in for a ’dam good slice.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

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

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

This little museum in the town where zombies were born celebrates the living dead.

For decades, it has disappeared and reappeared as water levels rise and fall.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

The first and only American institution dedicated to the enduring value of comedy in the United States.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.