Putting the "mod" in "modular" since 2000.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

This 700-year-old street food market features baby octopus and soy donuts.

Ship-sized kinetic sculptural fantasy.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Giant sand sculptures of famous people and places are on display near the Tottori sand dunes.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The cedar tree in Highgate Cemetery earned its title by accident.

Catacombs turned marketplace.

A historic arboretum and non-conformist, non-denominational park cemetery.

Once America's tallest structure, now a Baltimore landmark.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Final resting place of one of the classic authors of horror literature.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of Paul Revere's historic two lantern warning.

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

This landmark cemetery in Boston was created more than 300 years ago.