The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Legend says this sacred tree was a gift from goddess Athena.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Erotic art covers the walls of the largest ancient pleasure palace.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

A historic freight system that found the true gold rush is in tourism.

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A giant donut stands as a popular symbol of Los Angeles iconography.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

A 200-year-old live oak on the banks of Lake Pontchartrain.

This 19th-century benevolent society and jazz hall was rescued from abandonment to again host live music.

This strange, small castle on the bayou has withstood the test of time and weather.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

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

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.