World's largest precision optical instrument used to detect Einstein's elusive gravity waves.

Legends surround this jagged rock formation in the New Mexico desert.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

A historic observatory precariously perched at the "Top of Europe."

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

Visit the monolithic tomb of America's most famous general.

A strange rock in Chicago marks the spot where a tree once stood in honor of the 18th President.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

A working miniature city designed to teach kids about safety and presumably city planning.

Eat a tasty meal in the house where John Steinbeck was born.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

The culprit who accidentally lit this 3,500-year-old tree on fire stated "I can't believe I burned down a tree older than Jesus."

Thousands of people walk over this fantastic work of art every day, but how many notice it?

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

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

Vikings and Evangelicals have both had a hand in this replica medieval church.

Largest outdoor staircase in the United States.

Watch the ships come in on Michigan's 210 ft. high observation deck in Sault Ste. Marie.

Once a month, an Indonesian feast appears inside an Elmhurst church hall.