Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

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

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

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Soaring over the Niagara Whirlpool since 1916.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The ruins of a medieval monastery named after a type of tree.

A hugely vast Irish landscape of barren rock that stretches for miles.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

The ancient tomb acts as a calendar that keeps perfect time.

A vintage video game wonderland in downtown Reykjavik.

Three columns of volcanic rock shoot out of the ocean.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

An encyclopedic collection of mammal penises.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Medicinal spa created with the discharge from a geothermal energy plant.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.