Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

An experimental, automotive replica of Stonehenge.

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

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The site of Paul Revere's historic two lantern warning.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

One of the largest carillons in the world, this giant instrument has 67 cast-iron bells played by a keyboard.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The palatial McDonald's that inspired Wesley Willis.

Illegal drag racing two stories beneath Chicago’s streets.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This historic hotel invented the chocolate brownie.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

An acoustic anomaly with a mysterious cause.

Sports history, made in the Arroyo Seco.

A British pub embodies the spirit of a California legend.