One of the largest collections of socialist realist art shows the surprising depth of the official art of the Soviet Union.

Every president in history is immortalized in bronze in downtown Rapid City.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

This statue honors the thousands of Allied avians that served and died for France during World War I.

A 11-foot former president stands on a Kosovo street that also bears his name.

They sort through millions of dollars worth of diplomatic gifts on behalf of the government.

Home to secret Eastern Bloc spy equipment and the largest stretch of the original Berlin Wall outside of Germany.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

Medicinal spa created with the discharge from a geothermal energy plant.

An exquisite tunnel of cascading flowers.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

An ancient capital city that dates back 3,000 years old and harbors many surprises.

3/4-scale model of the White House in Atlanta, Georgia.

The world's first time capsule lies behind a welded steel door in Atlanta.

A clock designed to run with perfect accuracy for 10,000 years.

Cold storage for agricultural biodiversity.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

This golfball sized platinum iridium cylinder is the official starting point for all national weight calibrations

Large Hadron Collider and the Birthplace of World Wide Web.

An auroral research program that superheats the ionosphere.

This junkyard made over as a theme park is the "Most Alaskan place in Alaska."