The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

An unconventional space for art and science housed in a massive old warehouse.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

A bit of retro transportation flair preserved in the world's largest department store.

The historic bar where local ship captains, traders, and gold miners would come together to do business a century ago.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

The sand is such a bright white that on sunny days you practically need sunglasses to look at the ground.

Every hour a secret compartment drops from this giant pocket watch, revealing a lovely surprise.

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

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

The granite head appears to be deep in thought and half buried in the ground.

One of the last functioning antique elevators in Chicago.

Frida Kahlo's childhood home, now a museum of her life and works.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

Visit the monolithic tomb of America's most famous general.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Two stone columns flank the grand Venice square, but there were supposed to be three.

This quirky piece of naval artillery has been deafening Canadians for over a century.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.