Places MikeInSanFrancisco Wants to Go

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Hot springs monkey spa in the middle of Hell's Valley.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

A one-of-a-kind collection of a unique medium.

A sharp bend in a dramatic river canyon cut through red rocks.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A swing to dangle you off the very edge.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

An eerie, derelict amusement park in Berlin.

A massive underwater sinkhole made famous by Jacques Cousteau.

A bizarre house filled with an astounding array of collections.

An ancient capital city that dates back 3,000 years and harbors many surprises.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A toxic ghost town sitting atop a massive coal fire.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The rocks in this arid basin leave trails of movement behind them.

World's largest collection of serial killer artwork and other macabre exhibits.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.