The C. A. Nothnagle Log House stands as the oldest surviving log cabin in the United States, offering a remarkable glimpse into America's colonial past.

Atop this arch, during the 16th-century, a sermon was given to those suffering from plague.

A multiversal transit station located right below a highway interchange.

This rural water utility building houses a tribute to one of the greatest stars of the silent film era.

The largest mural in the world painted by a single artist.

A carnivorous plant paradise in a serpentine bog.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

Archaeologists believe this panel of petroglyphs depicting descending sheep and other figures in Glen Canyon are 3,000 to 6,000 years old.

A plaque honors Miami's sister city in the Canary Islands, inviting one to reflect on their place in the world.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Semi-mystical manmade towers of rocks decorate this rocky seaside.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

A massive playground in the woods of Germany.

The only boathouse Frank Lloyd Wright ever designed was also the only unbuilt structure in his famous Wasmuth Portfolio, until 2007.

To honor his gardening wife, this yard artist turns bowling balls into playful, colorful sculptures.

A likeness of Da Vinci's mysterious painting smiles at passersby from the side of a barn.

The summer home of the largest colony of bats in the world.

This historic tower in the California desert promises visitors a "vortex of good vibes".

A historic train ride from California to Mexico.

Home to over 300 antique cars and motorcycles, including Thomas Edison's Model A.

A piece of outsider public art accompanied by a strange urban legend.

Make sweet music as you walk through this interactive sonic sculpture.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

The design of this ornately decorated place of worship closely mirrors a church in Vietnam.