The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

"There's nothing there," and other lies the KGB told us.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The oldest continuously inhabited street in America.

Oldest existing wire suspension bridge in the United States.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

The Guardian of Tallinn.

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

The biggest museum dedicated to insects in North America, one of the largest in the world.

A massive Montreal stadium that has seen nothing but trouble since its inception.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

Montreal's colorful subway station shows its support of the local LGBT+ community.

A historic Montreal market that was the city's agricultural hub for over century.

Recently restored menagerie of Victorian-era beasts.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This bridge was constructed from the rubble of the infamous Bastille.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.