When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Take a hike to this remote, scenic tea stop in the Canadian Rockies.

A cemetery dedicated to the mountaineers who perished climbing Mount Aconcagua.

This roadside memorial pays homage to Argentina's Outlaw Saint.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

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.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A snapshot of the city's fascinating voodoo culture.

FDR hoped to find a cure for polio in this Georgia town's warm springs.

A fitting attraction for the corn capital of the world.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

An original apothecary from 1792.

This ancient Spanish castle sits high upon a hilltop.

Mine shafts and hard pastries await visitors at this massive mountain of salt.

The 28,000-year-old specimen is remarkably intact.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The prototype for all Nazi concentration camps.