A humid oasis combines recreation with exploration in a unique underwater cavern.

Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

This church is known as "The Home Church of George Washington and George Mason."

This haunting tombstone comes complete with a heartbreaking story of love and loss.

Florida’s half-sized replica of the Vietnam Veterans Wall.

A Grand Dame of the vaudeville circuit restored to its former glory.

This two-and-a-half-ton chunk of rock was gifted to the Prudential company by the British Navy in 1955.

A 19th-century cemetery device to ensure that the prematurely buried would be "saved by the bell."

One of the Treasury Building's original columns now sits as a garden monument in the middle of a busy military base.

The large vessel is known as world’s only full-scale replica of a Confederate ironclad.

A piece of outsider public art accompanied by a strange urban legend.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

A statue based on a tragic Japanese nursery rhyme, commemorating San Diego's sisterhood with Yokohama.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

An ode to the friendship between four Pacific Rim countries.

This monster board rode a monster wave to break two world records.

Like Mardi Gras, only everyone's a pirate.

A haunted hill that supposedly defied gravity.

Recorded as the first person buried in Arlington Cemetery.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

A sign marks the plane crash that caused two nuclear bombs to fall in North Carolina.

This multi-story wooden waterpark offers homemade thrills.