With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

Neglected resting place of some of the city's early luminaries—and a woman encased in concrete.

A community of collapsing homes more than a mile out from the Florida coast.

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

A mysterious castle built as a monument to lost love.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.

Conflicting markers on its floor tell a tale of two city centers in San Antonio.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

These winged Maya figures are the subject of speculation and conspiracies.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Every equinox this Maya pyramid puts on a spooky ancient light show.

In 1977, wealthy socialite Sandra West was buried wearing an elegant white nightdress while reclining comfortably in her powder-blue 1964 Ferrari.

Colorful curls of hand-blown glass form a captivating tower in San Antonio's Central Library.

On the outskirts of San Antonio, a small bridge is said to be the home of a mysterious local legend known as the "Donkey Lady."

Ruins of a once-opulent grand Victorian resort.

A colorful public mural in San Antonio's West Side encourages students to stay in school.

A mother's mourning for her lost son is remembered in this small park embedded with his memory.

Tile mosaics and quotes from Pablo Picasso add an artistic flair to these bus stop benches.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

San Antonio's first 3-D stereoscopic mural is a trippy treat for the eyes.