A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

New York City's smallest piece of private property.

Nikola Tesla's former home contains an homage hidden from plain sight.

A dilapidated dock tells the story of Titanic's missed arrival.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

The oldest surviving botanic garden in the United States.

The island residents are known for taking their quirky sense of humor with them to the grave.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.

Mai Tais and Navy Grog served up in one of the original tiki bars.

Atlanta's strange assortment of concrete pillars inspires reflection in some, confusion in others.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The home of a 19th-century author who brought African-American folktales to the mainstream is now Atlanta’s oldest house museum.

The largest Jewish museum in the southeastern U.S. houses a permanent Holocaust exhibit emphasizing the strength of its survivors.