Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

Fantastic views and thousands of love locks.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

A fearsome dragon clings to a corner of Munich's city hall.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Historic funicular railway, believed to be the shortest railroad in the world.

A faux European lane smack dab in downtown L.A.

The platform atop this verdant volcano was built with the help of a royal elephant.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

It's not a typo, now say it five times fast!

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

The fifth-longest natural arch in the world, and the longest outside China.

World-famous, Pink's still manages to keep its prized cult fetish status.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The oldest stone house in Paris was built by its most famous alchemist.