Tiki luxury on Nob Hill.

A psychedelic labyrinth on the San Francisco bay.

A bizarre house filled with an astounding array of collections.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

This collection of bronze hands comes from astronauts, presidents, baseball greats, and more.

Collection of antique science instruments displayed in recreated 1870-1930 laboratories.

This Frank Lloyd Wright summer house was designed along Lake Erie as a retreat for a client's wife.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

Dive bar built out of the remains of a whaling ship.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Nikola Tesla's former home contains an homage hidden from plain sight.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A speakeasy takes on Chicago's drinking culture.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

A terrific purveyor of natural history objects and curios.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.