The world's largest banyan tree is followed by a community of worshippers.

At this sweet shop, the descendants of a royal chef serve up the fudge-like dessert his ancestor invented for a king.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

D.C. once had its own tiny rival to the New York Stock Exchange.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

Perhaps the most scandalous statue of America's first president.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

This small enclave plays host to a house, church, and wishing well all composed entirely of recycled glass bottles.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

This research center for rare prosimians is studying how they sleep to help prolong human life.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

The sign at the garden gate reads: "These Plants Can Kill."

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Shop selling 500 flavors of soda has something for everyone.

America's most famous piece of self-built architecture.

The legendary building that needed ghostly approval before being built.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.