This huge clock made of flowers and simple machinery was once used a political weapon.

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

This former factory has deep ties to rubber production in Akron.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

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

An ever-evolving wall of graffiti art off East Liberty Street.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

On a clear day, you can see all the way to the Virgin Islands from the top of this observation tower built in the 1960s.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

The museum chronicling a treasure hunter's dream, fulfilled.

A historic landmark and museum filled with curious objects representing the history of Key West.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

In the Mound Hill Cemetery resides the final resting place of the world's tallest couple.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Ohio's 19th-century communist micro-society.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

Landmark dedicated to the plight of the American Indian in the 21st century.