One of the few remaining monuments dedicated to South Boston's Irish heritage.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

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

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A Museum of Holography frozen in 1974.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

One of the last functioning antique elevators in Chicago.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

A European-style bath house in Chicago.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

All of Chicago's wood-paved streets are long gone but two alleys remain.

The final resting place of the "father of special effects."

The colorful stairs are made with marble from the world's major quarries.

This historic patch of real estate offers a glimpse of colonial Boston.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

A hidden beach at the end of a tunnel of mangrove trees.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.