Steepest flood safety railway in the entire world.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

These markers are used to document elevation changes around the famed dam.

Oddly shaped rock formation, misassociated with a nearby utopian community.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A museum dedicated to the alleged Roswell Incident.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

Located within a historic park, the beacon is the oldest standing structure in Miami.

Once America's longest-manned military fort, now an abandoned hulk.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

This replica of the Greek structure is in the heart of Nashville.

Elvis's own personal tropical hideaway.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A snapshot of the city's fascinating voodoo culture.

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

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The curiosities and wonders of pharmacy in a delightful historic building.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.