At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Ride the subways of yesteryear.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The only surviving prototype for Buckminster Fuller's house of the future.

Former villa and estate of James Deering developed to preserve native tropical forests.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

Odd outsider art installations surround a Gold Rush-era ghost town.

A Circus legend leaves an unexpected endowment.

Wisconsin's most celebrated export gets the royal treatment on I-94.

Tucked in the back of this amazing antique store is an important piece of medical history.

One of only two commuter aerial tramways in the United States.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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

A huge musical instrument played by the ocean.

Oldest building in California still in use.

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

A museum dedicated to exhibiting remarkable outsider art.

Baroque celebration of the end of the Great Plague of Vienna.

World-famous, Pink's still manages to keep its prized cult fetish status.