This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

Believed to be the only Orthodox church in the world that features a free-standing pulpit.

A phenomenon that appears to make gravity work in reverse has been attributed to jinn, supernatural spirits from Arabian folklore.

Nature puts on a spectacular show at this blowhole on the eastern side of Gran Canaria.

Climbing the "mountain of frustration" is no easy feat.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

The creator of the Kewpie doll's former home has been turned into a museum celebrating her life and work.

The country estate of renowned Ukrainian-born artist Ilya Repin.

A volcanic cone that formed over 600 years ago.

The former home of the army detachment that captured Geronimo.

This tower once served as a radar station during the Cold War.

A beautiful red-faced slot canyon in northern New Mexico.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

Ospreys visit this location every year to nest.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

A Turkish monastery tucked into a cliff wall.

The best-preserved ancient theater in the world.

Mounds of fine golden sand that can rise nearly 500 feet tall.

The highest bridge in Myanmar was once the tallest railway bridge in the world.

Lions carved into the rockface adorn these two tombs built into the mountains of Dadan.

The unique building practices of the Batammariba reflect the community's deep reverence for and connection to the earth.

Named after an outlaw who used the basin as a hideout.