How to see the incredible Ruby Falls, inside Lookout Mountain in Chattanooga, Tennessee.

to keepthe underground cavernwell-preserved and visitors safe, all visits to Ruby Falls must be guided.

The popular Cave Walk tour offers a faster-paced journey through the cave to the waterfall with pre-recorded audio.

View of Ruby Falls the under ground, in mountain waterfalls in Chattanooga, Tennessee

Courtesy of Ruby Falls

There is also a before-hours Gentle Walking Tour with more in-depth information and an after-hours Lantern Tour.

This romance-focused journey delves into the falls' past.

Leo Lambert, who came across the falls in 1928, named the discovery after his wife, Ruby.

A group of people gathered around Ruby Falls the under ground, in mountain waterfalls in Chattanooga, Tennessee

Courtesy of Ruby Falls

The two-hour Gentle Walking Tour and Lantern Tour are both $40.

Those interested in the Romance at Ruby Tour can book athttps://tickets.rubyfalls.comwith rates from $90 per couple.

Tickets to Ruby Falls must be booked online, ideally several days in advance.