A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

Man-made geyser that rises to the exact height of the Gateway Arch.

Hundreds of graffiti artists have decorated this flood-wall on the west bank of the Mississippi River.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

Sid Vicious famously punched a hole in the wall of this iconic music venue.

One of the best examples of Art Deco architecture in the United States.

This massive Art Deco-inspired mural was the world's largest augmented reality artwork at the time of its completion.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

This 1930s-era Route 66 Tulsa landmark was moved, restored, and filled with neon.

A half-size replica of the World Trade Center towers above Tulsa.

A Route 66 filling station that was designed to resemble the Hagia Sophia, and is now the symbol of an arts district.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

This hauntingly beautiful stretch of Florida coastline is covered in sun-bleached trees.

This replica of a 16th-century French settlement memorializes one of the earliest attempts at a European settlement in North America.

A sprawling maze of used books piled from floor to ceiling.

One of the oldest, tallest, and most haunted lighthouses in America.

Local myth claims this is a Sears catalogue home with its windows installed upside-down.

Dubbed the "smallest church in America," this tiny sanctuary was a local grocer's dream come true.

Ruins of a Carnegie family mansion on Cumberland Island.

A monolith replica monument of Jean Ribault commemorating the landing of the French in the New World.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”