The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Minimalist modern art on a repurposed military base in rural Texas.

Texas's oldest bakery serves authentic German pastries, including legendary strudel.

Ancient church constructed with a special wood that preserves prints from the past.

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

This general store is stocked with memorabilia from the 1930s onward—almost none of it for sale.

This Buddhist temple is home to a number of towering statues spread over a peaceful wooded park.

Visit these gentle, bell-bottomed, exquisite equines at the home of North America's first Gypsy Vanner horses.

This home is decked out like a psychedelic explosion of colors and bowling balls.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.

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

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

The only free-standing, vertical sundial in the US was keeping standard time before it was even invented.

The first free library in Georgia features an original Tiffany stained glass window of Mary Willis.

A white oak with property rights.

Though it is far from the site of the attacks on September 11, 2001, this memorial trail commemorates the lives that were lost on that day.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

This freshwater spring fills with 10,000 gallons of water per minute.