This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

One of the indelible moments of the American Revolution took place at this location.

The massive machine creates cracking displays of indoor lightning.

Radical Bookstore and Community Space.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

An enormous, inside-out glass globe built in 1935.

An eerie site of reverence for those who have completed an epic journey.

This labyrinth was designed to help visitors focus and meditate.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

This "living building" on Georgia Tech's campus is home to a blueberry orchard, honeybees, and more than 900 solar panels.

A nerdcentric group and creators of the Nerd Prom.

Secret hideaway for an alternative beach experience.

Enter the Forest of the Elves.

This lab's maddening silence is good for business but bad for sanity.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

This mosaic-covered bar is brimming with curated curios.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

This is not your typical jungle gym.

Less a museum than a bizarre fantasy world created by artists and engineers.