A former waterfront market is now in the center of town due to some interesting Boston engineering.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

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

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

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

This former coal gasification plant found a curious second life as a popular public park.

A giant Troll lurks under one of Seattle's oldest bridges.

Make your reservation to have coffee with some kitties.

A brewery warehouse which doubles as a circus bigtop.

Step inside Lucy, the world's largest "elephant."

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

Marie told fortunes from her small stand on the Boardwalk for decades, including to a young Bruce Springsteen who would busk outside her booth.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

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

The face of a woman pushes its way through the earth.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

World's second largest particle accelerator, where nature reveals its secrets.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

A monument celebrating the idea of reaching inaccessible places.