Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

The beams of the New College, Oxford dining hall come with an amazing story.

Eighty million natural history specimens call this gargantuan museum home.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The Boston square dedicated to the dark poet who was born nearby.

Dim sum, served in a grand old theater.

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.

One of the largest underground systems runs under Canada's largest urban center.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

This sprawling collection hides many charms.

Rusty red sands line the shores of this Canadian Province.

A centuries-old church stands as a testament to Boston's "father of architecture."

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Train tunnel running underneath Quebec City.

The oldest working mechanical clock in the world.

Famously misunderstood wonder of the ancient world

An unusual manor of stunning beauty, born out of a crippling disease.