These ancient sacred grounds granted amnesty to those who managed to reach them.

A priest with no formal artistic training used basic house paint to create gorgeous religious scenes inside this historic church.

This legendary urban waterfall creates a dazzling display of rainbows.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

The record holder for the world’s largest peach.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

The oldest still-operating tavern in the United States was once owned by a pirate.

This stimulating sex toy museum is sure to arouse the interest of its visitors.

A grave surprise in the downtown area of New England's second-largest city.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

An eccentric inventor's castle home with its own indoor weather system.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

A small chapel celebrating the spiritual bond between dogs and humans.

A Nessie-like monster supposedly lurks in this lake.

These three lighthouses played a fundamental role in the maritime life of Eastham.

The mansion home of author Edith Wharton.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

A men’s restroom became a sandwich shop.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

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

This miniature feudal castle was built on a whim to honor a US Navy pioneer.