The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A sharply wedged sundial marks the point at which each day in the United States begins.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

This community-driven organization uses education and eco-friendly technology to protect the environment.

This former sugarcane transport tunnel is now a portal to a lovely beach.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This tiny home was originally a narrow alleyway.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This network of narrow, medieval passages has the most delightful name.

Follow the original medieval paths that wind through this intriguing section of the city.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.