Nature's biggest mammal swims in landlocked Oklahoma.

This small Arkansas town once had a close encounter with the Beatles, and are determined never to let anyone forget that. Ever.

A miraculous natural phenomenon known as "the spring that breathes."

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

An innovative local park built from an abandoned sewage treatment plant.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

A spiritual vortex among the red rocks in Sedona.

An artist's cute bronze subway sculptures belie his violent artistic past.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

Plot your trip through the city on the sidewalk.

A unique attraction and museum dedicated to exploring iconic roadside structures.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

Scattered around Atlanta are little doors with big charm.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

A derelict bit of transportation infrastructure hidden in the woods.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.