A guitar mounted on a wall in Temple Bar honors the Irish musician.

400-year-old garden, restored to beauty.

A medieval quay that was the Mayflower's final port of call before sailing for America.

Perhaps the only prehistoric monument with its very own public bus stop.

A quirky mausoleum celebrated once every five years with young dancing girls, widows, a tax man, and more.

This wooden chair dates possibly back to the 15th century, and commemorates a local legend.

These picturesque ruins crumble beautifully into the ocean.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

The 28-foot granite map plots the locations of 40 theaters in New York City.

Slyly buy a shake in the Parker Meridien lobby.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A very classy 1920s-era bar right in Grand Central Station.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Built to replace a house destroyed by a hurricane, this home is made entirely of shipping containers.

Only through the lens of a microscope can visitors see the true treasures inside this museum.

The site of Martin Luther King Jr.'s arrest as he attempted to have lunch.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

A lion given to the prime minister somehow got stuffed and sent to Florida.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

The graves in Florida's oldest Black cemeteries are marked with shells, stones, and mementos of the deceased.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

A replica of one of the more than 15,000 civilian lookout towers that lined the U.S. coast during World War II.