The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

The "Seinfeld" diner.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The mysterious large white cross visible from the runway is a memorial to a massacre during Spanish Civil War.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Formerly the most gerrymandered district in the U.S., it twisted and turned along racial borders.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The "lovely red Vega" of the legendary record-settling pilot.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A winding district gerrymandered into the shape of a mantis.

One part local history, 99 parts gruesome haunted house.

Yo, Adrian!

One of the few guarded stops along the great spice route.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

This elaborate towering structure was once famed for its revolutionary height.