The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

This massive subterranean fissure is known as the "underground Grand Canyon."

A late-night restaurant empire was launched from this humble storefront.

An enormous, inside-out glass globe built in 1935.

This now-abandoned part of the original transcontinental railroad route provides a surreal driving and historical experience.

Peek inside Howard Hughes' garage at this Hollywood-themed art installation.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

This former fire tower is now a rustic observatory that offers amazing views of eagles, hawks, and the Appalachian Mountains.

Get up close and personal at this Fresnel Lens.

This museum dedicated to the famous comedy duo is located in the town where Stan Laurel was born.

A small museum dedicated to the king of Western swing.

A 36-ton remnant of the last Ice Age now resides amid picturesque vineyards.

The first ever diner included on the National Register of Historic Places is famous for its custard French toast.

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

This Central New York ghost town was once a prosperous railroad community.

An abandoned jewel of a ballroom on the top floor of Australia’s busiest rail station echoes with the sounds of a bygone era.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

This ancient fortress was once the setting for a strange battle won with the help of a lizard.

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

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

Eat your Big Mac in a DC-3.

When life gives you Prohibition, open a bar in Juárez.

Deep in the Negev Desert, the world's tallest solar tower looks like a sight straight out of science fiction.