This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The seat of Buffalo government is a gorgeous Art Deco palace.

The absurd creation is a compulsory destination for selfies in Buffalo.

A brick-paved former section of the historic coast-to-coast highway.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Mai Tais and Navy Grog served up in one of the original tiki bars.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

This historic train station has been converted to a locomotive themed hotel.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

The world's longest known cave system.

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

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Trade in that pesky human soul for cold-hard circuits.

The only Bahá'í house of worship in North America and one of only a handful worldwide.