A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

This historic mansion was built as a symbol of love between a husband and wife.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

An alternate history park where the Union Army loses the war... to dinosaurs.

These sculptures were created by a 17th-century artist who had never seen an elephant.

The place where the great marine explorer first learned to work underwater is not where you'd expect.

The world’s largest underground marble quarry is hiding in Vermont.

The building that inspired Shirley Jackson's "The Haunting of Hill House."

Driftwood dinosaurs lurk within trees covered in a rainbow array of avian abodes.

This unusual building straddles two countries.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.

These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.

One car at a time please.

Beautiful hillside Vermont cemetery with amazing funerary art.

A treasure trove of rare and fine fabrics from around the world.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

Designed as a place for patients to take in the scenery, this tower has a dark history.

This former prison now houses a lovely library devoted to Quebec's oft-maligned English-speaking history.

A 400-square foot model of historic Quebec is the playing field for a state of the art light and sound show.

The falls were named for the mistaken idea that they were the ones pictured on the Canadian $5 bill.

The remains of a paranoid inventor's hidden workshop lie in beautiful ruins amidst a Canadian park.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

This exuberantly curated landscape is one of the largest sculpture gardens in Canada.

The floating gallery illuminates the heart of Québec City's arts district.