This impressive working clock made of 16,000 plants changes its flowers twice a year.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Soaring over the Niagara Whirlpool since 1916.

This classic steam-powered train takes tourists on a nostalgic trip around the Connecticut River Valley.

A dozen cast iron leopards stand guard along the length of Aberdeen's Union Bridge.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

A winding, cliffside stretch of road overlooking the Delaware River.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

The attic and basement house two museums stuffed with oddities like swallowed spoon handles and a shrunken head.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

The two writers famously didn't come to blows over the Oxford comma.