This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Cryptid lake monster honored with its own monument.

Bill Murray bowled three straight strikes here at Reno's "Taj Mahal of Tenpins."

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

New fungal and bacterial species call this deadly lake home.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

A super-sized promotional trick that is now a D.C. landmark.

The United States Capitol's former columns still stand.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

This massive roadside mascot was the first version of the giant to illustrate his butt.

Millions of dollars worth of sculpture decorate this Iowa city center.

The headquarters of the prestigious World Food Prize celebrates the heroes in the fight against hunger, has no cafeteria.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Another in a long tradition of legends regarding infernal seats.

Less a museum than a bizarre fantasy world created by artists and engineers.

Giant granite rocks standing end-to-end like a train of circus elephants.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.