The mummified relic of St. Catherine sits forever on a golden throne.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

This picturesque ghost town is located on the banks of the Suwannee River.

Town of spiritualists and mediums in Florida.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

This museum gives tribute to the underappreciated "Down-South Submarine."

One of the oldest living oak trees in the Southeast.

This kitschy curio wonderland is full of fake animals, teak tables, and a cacophony of random bric-a-brac.

This sacred, circular cave is lined with pools so clear and still that it's hard to tell where the water begins.

A site of pagan worship which still attracts people looking for fairies.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

This observatory within Europe's first dark sky park offers stunning views of the night sky.

An optical Illusion once believed to be an electrical phenomenon.

Ancient stone dildos and other odd pieces of medical history are displayed at this quirky Cyprus gem.

A crumbling ghost town with prime views of the dam that doomed it.

A cross marks the spot in a small Scottish village that claims to be the exact center of the country.

An abandoned desert hamlet swallowed up by sand.