France's most famous cemetery, with some of its most curious tombs.

The headquarters of the famous Yale society.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The modern birthplace of Irish freedom.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

One of Ireland's most infamous prisons for rebels including men, women and children.

This cemetery overlooking the Benbulben rock formation is the final resting place of one of Ireland's most beloved poets.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

The park that the Chicago Stockyards built.

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

"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."

Sniff the Titan Arum's rotting flesh.

The magic's in the hole!

The seamy, underground secrets of Portland's criminal past.

Rebuilt remains of a temple to Roman god Mithras.

One of America's most historic homes also holds a startling literary legacy.

A museum dedicated to the history and exploration of both popular music and science fiction.

A bizarre house filled with an astounding array of collections.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

World's largest Christmas store.

A building so large that it has its own weather.