In the early 1800s, surgery was also a show.

One of the oldest cemeteries in Vermont is the final resting place of soldiers, politicians, and a famous author.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A memorial for public executions that dates back to the 14th century.

A hugely vast Irish landscape of barren rock that stretches for miles.

America's first public mental health facility.

A hidden courtyard houses early 20th-century plaster masterpieces.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

This 18th-century pond is one of the main attractions in the Jardín del Príncipe in Aranjuez.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

Enjoy a tour of oddities and makeshift monsters at this souvenir store with an offbeat sense of humor.

A diverse, expansive nature preserve in northeastern Kansas.

America's first serial killer rests in anonymity.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

An ode to one of the dirtiest jobs during the construction of the Boulder Dam.

These markers are used to document elevation changes around the famed dam.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.