This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

A semi-scholarly approach to sex.

There must be a pun in this haystack somewhere...

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

This small-town pizzeria won the Hollywood lottery.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

One of the oldest living oak trees in the Southeast.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

A mysterious air force base built to resemble a Long Island fishing village.

The Hudson River School comes alive at this palatial estate.

The oldest continuously inhabited street in America.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

This park contains a number of standing stones meant to heal and inspire.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

Whimsical artist house in the New Jersey woods.

Every equinox this Maya pyramid puts on a spooky ancient light show.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

An abandoned castle owned and ignored by Masons carries a cursed history.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.