The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

When the rain falls, this drain system turns into a musical instrument.

After mysteriously refusing to surrender at the end of World War II this sunken submarine was only salvaged in a search for Nazi gold.

Reaching this rock formation involves a hike through rocky rapids and springs where wild turtles reproduce.

The 28-foot granite map plots the locations of 40 theaters in New York City.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Become a prohibition rebel.

More gold than anywhere else, ever.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

One of only two commuter aerial tramways in the United States.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A hip bar decorated with walls of golden skulls.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

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

Elevated freight railway turned wildly successful urban park.

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

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

A crumbling hospital from the 1850s on Roosevelt Island.

A terrific purveyor of natural history objects and curios.

A medieval military street hidden beneath a charming French fishing village.

Monsters and miniatures are held in equal esteem at this wondrous museum.

The famous winding walk at Chartres is surrounded in mystery and myth.

This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.