Toss a Frisbee through the ruins of this Colorado gold mining town.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

A home covered with elaborate mosaic and other pieces of art.

One of the oldest continuously operating amusement parks in the U.S. is an open-air museum of Art Deco and neon lights.

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

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

A technicolor place of worship for Elevationists.

A multiversal transit station located right below a highway interchange.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

Rummage through this sunken ship, but leave your scuba gear at home.

A semi-scholarly approach to sex.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

Unlock the secrets of the conjuring arts.

New York's oldest magic store.

There must be a pun in this haystack somewhere...

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A bit of retro transportation flair preserved in the world's largest department store.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Destructive children, start your engines.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

Where America's first doomsday cult awaited the end of the world.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.