This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

The best place for scenic views of the DMZ and North Korea.

South Korea's largely symbolic, barely used gateway to the North.

The world's first cruise ship-shaped hotel is perched atop a cliff.

The upstairs reading room is packed with millions of rare books, literary manuscripts, and historical treasures.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

A taste of Middle Earth, in the middle of the Bayou City.

The most visited, and possibly most controversial, museum in Germany.

The fairy tale castle of the "fairy-tale king."

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Secret North Korean passage discovered below the world's most dangerous border.

Free public park and gardens filled with peacocks and peahens.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

A 131-year-old wunderkammer of Texas history.

A fruit-loving town welcomes visitors with a giant melon set against the sky.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One part antique store, one part curiosities hodge-podge.

An emerald-green grotto just a short trip from Austin.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Foragers once flocked to this big beautiful bayou to hunt for pearls.