A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

This elaborate towering structure was once famed for its revolutionary height.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The only arched bridge made of stone on the entire Mississippi River.

When flour explodes, it's not a pretty sight.

The oldest university museum west of the Mississippi retains its 19th century feel.

This giant Christ took first place in South America's religious arms race.

The only diamond mine in the world where you can keep what you find.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

A Wild West jailhouse that slid down the mountainside.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

The first spinning jail built in the United States is the only one that still turns.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The site of the deadly Triangle Shirtwaist Factory Fire.

There must be a pun in this haystack somewhere...

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.