A peaceful, unique botanical garden complete with waterfalls, mini islands, and swans.

New York's oldest and possibly grandest keeper of books.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

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

Once America's longest-manned military fort, now an abandoned hulk.

“Invented in Key West, Perfected in Brooklyn."

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This whimsical stacked cabin looks like something out of a children's book.

Vikings and Evangelicals have both had a hand in this replica medieval church.

The beloved home to all publications indie, erotic, and punky.

This is one really big nut.

Turnip-shaped island just off the Michigan shore in Lake Huron.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

See six states, pickled freaks, rocks, and antiques.

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.

This downtown Dallas art installation is always on the lookout.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

The world's largest squirrel statue clutches a pecan bigger than your head.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

35,000 grape hyacinths flow like water down a garden hill.