A former waterfront market is now in the center of town due to some interesting Boston engineering.

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

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This turn of the century masterpiece has a mysterious goaty interloper.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Golden Gate Park's historic collection of plants.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Where monkeys run wild and the humans are caged.

A circus legend leaves an unexpected endowment.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

On the Hudson resides one of the largest clocks in the world.

The most confusing clock in New York.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

The topiary maze at the Habsburg hunting lodge.

A little sculpture with a large wardrobe.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

Commonly acknowledged as the only public monument to the Devil himself.

A 220-foot deep watery drop-off, filled with marine life.

One of the deepest blue holes in the world.

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

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.