Model Trains and Much More in Hamburg.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This replica of the Greek structure is in the heart of Nashville.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

A geological mystery on Camelback Mountain.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Dr Barnes' $25 billion private collection of art and arboretum.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Mysterious rocks that ring musically when struck.

An abandoned stretch of highway, deteriorating next to the operational one.

This park contains a number of standing stones meant to heal and inspire.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

A field of nothing but boulders which resembles a giant's gravel driveway.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.