Said to be haunted, this tower was constructed by a sugar importer as a gift to his wife.

This picturesque Victorian ghost town was once a thriving mill community.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

An allegedly cursed tree represents a town's reckoning with a racist past.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Elevated freight railway turned wildly successful urban park.

Eccentric stone cairns built on a public New York City beach.

The watery grave of an impractical idea.

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

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

Quite possibly the last cross all humans will ever see.

This Indianapolis landmark offers a secret panoramic view of the city. 

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A museum and shop on Bourbon Street located in the French Quarter.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

The final resting place of a famous 19th-century murder victim whose identity is still a mystery.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

These bronze sculptures sow whimsy by hamming it up on a pedestrian mall.