The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

The land is home to swimming ponies and a legendary 18th-century treasure.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

Elvis's own personal tropical hideaway.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

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

The record holder for the world’s largest peach.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

A haunting tribute to pioneering photographer Clover Adams.

A museum dedicated to exhibiting remarkable outsider art.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

Largest Roman Catholic church in North America.

This impressive Boston holy house is the American mecca for Christian scientists.

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

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Free public park and gardens filled with peacocks and peahens.

A giant Troll lurks under one of Seattle's oldest bridges.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

An alley covered with 20 years of bubble gum.