Public water fountains built during the Ottoman Era still stand throughout this seaside town.

Step inside an ancient beehive tomb built for a mysterious cult hero.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

One of the best-preserved medieval streets in Europe.

Built by the Ancient Greeks, this chariot bridge is still in use today.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Giant marble phalluses on the sacred island of antiquity.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

A unique look into the bowels of a century-old funicular.

This early pioneer landmark is one of the oldest buildings in this part of Kansas and one of the few Dutch mills ever built in the state.

This fortress-like monastery is covered with intricate frescoes.

Despite not growing anywhere near New York City, bananas are ripened in a pressurized room in the Bronx using precise banana science.

The California capital city once stood 10 feet lower than it does today.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

Indents in the pavement are all that remain from a grisly death machine in Paris.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

The only retired U.S. nuclear missile silo that is open to the public.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This 19th-century religious artwork was once highly controversial—because it was donated to the church by a divorcee.

A replica that won't float away.

The highest peak in Puerto Rico is home to a rare fern that can only be found on six trees at its summit.