A chilling disappearance (and rescue) of a child uncovers a geological mystery.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

On the upper deck of this church-owned parking garage stand eight pillars topped with different Catholic saints.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

How did a massive marine arthropod find its way to landlocked Ohio?

The third-oldest baseball stadium in the United States is in a league of its own.

Dedicated to the explorer who opened Japan to the West.

These unusual houses look like giant boats that washed ashore on a residential street.

This historic graveyard was partially paved over to create a streetcar line.

This World's Fair showpiece was built in Chicago, but shipped to Maine.

The location where the iconic movie character declared it was time to go home.

An interesting look into 18th-century American history.

A 10-foot-tall concrete Alley Oop statue left over from World War II now stands on the side of the road.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Dine like an American revolutionary at Colonial Williamsburg.

These markers are used to document elevation changes around the famed dam.

These markers are used to determine the ground stability of the Strip.

Explore the legends surrounding these mythical sea creatures inside this museum.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

One of Gettysburg’s least visited battlefield memorials is off the beaten path, but worth a visit.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.