The world's largest collection of ticks.

Twenty-eight years after this local landmark was washed ashore by hurricane Hugo, it was washed away by hurricane Irma.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Visit the monolithic tomb of America's most famous general.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The site of the deadly Triangle Shirtwaist Factory Fire.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This Costa Rican chapel is the most metal church in the world, literally.

The uniquely-designed winter home and sculpture studio of Anna and Archer Huntington.

One of the oldest living oak trees in the Southeast.

Paths are maintained, but trees have taken over plots.

Dedicated to the history of the health sciences.

Dental instruments from the illustrious history of American dentistry.

Tour the oldest unrestored plantation house in America that is open to the public.

First established in 1696, this settlement was abandoned after the Revolutionary War.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This is one really big nut.