Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

Antiques and recycled art surround this cabin designed to resemble a 19th-century schoolhouse.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

This plaque marks a place where one of Hollywood’s most famous dancers got his start.

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

Each step is a mere 4 inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A retrofuturistic art installation in the Pittsburgh Airport.

This public park was the site of the largest civilian disaster of the Civil War.

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

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Yo, Adrian!

This church in Pittsburgh is home to the largest collection of religious relics in North America.

The sanctuary holds what was once believed to be the saint's incorruptible tongue.

Be(w)ar(e) the moat around this historic Czech castle.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Macabre astrological automaton clock dating to the late 1400s.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

St. Augustine's record-setting narrow street was designed to protect against pirates.