A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

Extraordinary sculpture garden created by an eccentric English poet.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

Where hikers on the Tecumseh Trail can exchange a dirty sock for a free geode.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

This mysterious hill seems to pull objects uphill.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

A modern-day wunderkammer dedicated to Indianapolis history, Afrofuturism, and musical vibrations.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

The largest historic preservation organization in the United States.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

This sprawling bookstore spans four floors and has more than a million books in stock.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

Abandoned concert venue legendary for its rock counterculture.

Indiana's oldest sternwheel paddleboat has been plying the placid waters of Webster Lake for 90 years.

Enjoy classic musicals with a home-cooked meal at this former staple of American social life.

An opulent testament to the boom-and-bust history of industry in north central Indiana.

This former office building has been transformed into an immersive music venue and art space.

One tree's homage to soles past and present.

The only freestanding table rock formation east of the Mississippi.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.